| UAA | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UAB | Blue Cross Blue Shield of Kansas City | https://www.bluekc.com/ |
| UAC | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UAD | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UAF | No Prefix Assigned | N/A |
| UAG | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UAH | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UAI | No Prefix Assigned | N/A |
| UAK | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| UAM | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| UAN | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UAO | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UAP | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UAQ | Blue Shield of California | https://blueshieldcaplans.com/ |
| UAR | No Prefix Assigned | N/A |
| UAS | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UAT | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UAV | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UAX | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UBA | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UBB | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UBC | Anthem Blue Cross Blue Shield of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| UBD | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UBF | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UBG | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UBH | No Prefix Assigned | N/A |
| UBI | No Prefix Assigned | N/A |
| UBK | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UBL | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UBN | No Prefix Assigned | N/A |
| UBO | Blue Shield of California | https://blueshieldcaplans.com/ |
| UBP | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UBQ | No Prefix Assigned | N/A |
| UBR | Anthem Blue Cross Blue Shield of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| UBT | No Prefix Assigned | N/A |
| UBU | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UBV | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UBW | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UBX | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UBY | No Prefix Assigned | N/A |
| UBZ | Anthem Blue Cross Blue Shield of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| UCA | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UCB | Premera Blue Cross | https://www.premera.com/visitor |
| UCC | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UCD | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UCE | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UCF | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UCG | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UCH | Unknown Assignment | https://www.bcbs.com/ |
| UCI | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UCJ | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UCK | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UCL | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UCM | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UCN | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UCO | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UCP | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UCQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UCR | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UCT | No Prefix Assigned | N/A |
| UCU | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UCV | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UCW | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UCX | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UCY | No Prefix Assigned | N/A |
| UCZ | No Prefix Assigned | N/A |
| UDA | Premera Blue Cross | https://www.premera.com/visitor |
| UDB | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UDC | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UDD | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UDE | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UDF | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UDK | No Prefix Assigned | N/A |
| UDM | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| UDN | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| UDO | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UDP | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UDQ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UDR | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UDS | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UDT | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UDU | No Prefix Assigned | N/A |
| UDV | Premera Blue Cross | https://www.premera.com/visitor |
| UDW | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UDX | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UDY | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UDZ | No Prefix Assigned | N/A |
| UEB | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UEC | Blue Shield of California | https://blueshieldcaplans.com/ |
| UED | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UEF | Blue Shield of California | https://blueshieldcaplans.com/ |
| UEG | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UEH | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UEI | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UEJ | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UEK | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UEM | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UEN | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UEO | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UER | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UES | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UEU | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UEV | No Prefix Assigned | N/A |
| UEW | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UEY | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UFB | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFC | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UFD | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UFE | No Prefix Assigned | N/A |
| UFF | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UFG | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFI | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UFJ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFK | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFL | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFM | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UFN | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UFO | No Prefix Assigned | N/A |
| UFP | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UFQ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFR | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| UFS | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| UFT | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UFU | Excellus Blue Cross Blue Shield of New York | https://www.excellusbcbs.com/ |
| UFV | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFX | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UFY | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UFZ | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| UGA | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| UGB | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UGD | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UGE | No Prefix Assigned | N/A |
| UGF | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UGG | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UGH | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UGJ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UGK | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UGL | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| UGM | No Prefix Assigned | N/A |
| UGN | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UGO | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UGP | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UGQ | Blue Cross of Idaho | https://www.bcidaho.com/ |
| UGT | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UGU | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UGV | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| UGW | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UGX | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UGY | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UHA | No Prefix Assigned | N/A |
| UHB | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UHC | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UHD | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHE | Blue Cross Blue Shield of Arizona | https://www.azblue.com/individualsandfamilies |
| UHF | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UHG | No Prefix Assigned | N/A |
| UHI | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHK | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHL | Blue Cross Blue Shield of Arizona | https://www.azblue.com/individualsandfamilies |
| UHN | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UHO | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UHP | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UHQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHR | Highmark Blue Cross Blue Shield | https://www.highmarkblueshield.com/home/ |
| UHS | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UHT | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHU | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHV | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UHW | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UHX | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| UHZ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UIB | No Prefix Assigned | N/A |
| UIC | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UID | Blue Cross of Idaho | https://www.bcidaho.com/ |
| UIF | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| UII | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UIJ | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UIK | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UIL | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UIM | Premera Blue Cross | https://www.premera.com/visitor |
| UIN | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UIO | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UIP | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UIQ | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UIT | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UIU | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UIV | Premera Blue Cross | https://www.premera.com/visitor |
| UIX | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UIY | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UIZ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UJB | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UJC | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UJD | Premera Blue Cross | https://www.premera.com/visitor |
| UJE | No Prefix Assigned | N/A |
| UJF | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UJG | Blue Cross Blue Shield of Oklahoma | https://www.bcbsok.com/ |
| UJK | No Prefix Assigned | N/A |
| UJL | No Prefix Assigned | N/A |
| UJP | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UJQ | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UJR | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UJU | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UJV | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UJW | No Prefix Assigned | N/A |
| UJX | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UJY | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| UJZ | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| UKA | No Prefix Assigned | N/A |
| UKB | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UKC | Blue Cross Blue Shield of Oklahoma | https://www.bcbsok.com/ |
| UKD | Blue Cross Blue Shield of Oklahoma | https://www.bcbsok.com/ |
| UKF | No Prefix Assigned | N/A |
| UKH | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UKJ | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UKK | No Prefix Assigned | N/A |
| UKN | Blue Cross of Idaho | https://www.bcidaho.com/ |
| UKO | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UKP | No Prefix Assigned | N/A |
| UKR | No Prefix Assigned | N/A |
| UKS | No Prefix Assigned | N/A |
| UKU | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UKV | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UKW | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| UKZ | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| ULA | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| ULB | No Prefix Assigned | N/A |
| ULD | Premera Blue Cross | https://www.premera.com/visitor |
| ULE | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| ULF | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| ULG | No Prefix Assigned | N/A |
| ULH | No Prefix Assigned | N/A |
| ULI | Independence Blue Cross | https://www.ibx.com/index.jsp |
| ULJ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| ULK | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| ULL | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| ULM | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| ULO | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| ULQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| ULS | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| ULT | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| ULW | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| ULX | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UMB | Blue Cross of Idaho | https://www.bcidaho.com/ |
| UMC | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| UMD | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| UMF | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UMG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UMH | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UMJ | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UMK | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UMN | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UMO | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UMQ | Anthem Blue Cross Blue Shield of Nevada | https://www.anthem.com/individual-and-family/health-insurance/nevada/ |
| UMR | Premera Blue Cross | https://www.premera.com/visitor |
| UMS | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UMT | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UMU | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UMV | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UMX | Premera Blue Cross | https://www.premera.com/visitor |
| UMY | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UMZ | Premera Blue Cross | https://www.premera.com/visitor |
| UNA | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| UNB | Blue Cross Blue Shield of Nebraska | https://www.nebraskablue.com/ |
| UND | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| UNE | Blue Cross Blue Shield of Nebraska | https://www.nebraskablue.com/ |
| UNF | Blue Cross Blue Shield of Arizona | https://www.azblue.com/individualsandfamilies |
| UNG | Blue Cross Blue Shield of North Carolina | https://www.bluecrossnc.com/ |
| UNH | No Prefix Assigned | N/A |
| UNJ | No Prefix Assigned | N/A |
| UNK | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UNL | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UNN | Premera Blue Cross | https://www.premera.com/visitor |
| UNQ | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UNR | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UNS | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UNT | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UNU | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UNV | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UNX | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| UNY | No Prefix Assigned | N/A |
| UNZ | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UOA | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UOB | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UOC | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UOD | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UOE | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UOF | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UOG | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UOH | Premera Blue Cross | https://www.premera.com/visitor |
| UOI | Blue Cross of Idaho | https://www.bcidaho.com/ |
| UOK | No Prefix Assigned | N/A |
| UOM | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UON | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UOO | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UOP | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UOQ | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UOS | No Prefix Assigned | N/A |
| UOT | Blue Shield of California | https://blueshieldcaplans.com/ |
| UOU | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UOW | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UOX | Anthem Blue Cross Blue Shield of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| UOY | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UPA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UPB | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UPC | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UPD | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| UPE | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UPF | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UPG | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UPH | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UPI | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UPJ | Premera Blue Cross | https://www.premera.com/visitor |
| UPK | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| UPL | No Prefix Assigned | N/A |
| UPM | Blue Cross Blue Shield of Rhode Island | https://www.bcbsri.com/ |
| UPN | No Prefix Assigned | N/A |
| UPO | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| UPP | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UPQ | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| UPR | No Prefix Assigned | N/A |
| UPS | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UPT | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UPU | No Prefix Assigned | N/A |
| UPW | Anthem Blue Cross Blue Shield of Nevada | https://www.anthem.com/individual-and-family/health-insurance/nevada/ |
| UPX | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UPY | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UQA | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| UQB | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UQC | No Prefix Assigned | N/A |
| UQD | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UQE | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UQG | No Prefix Assigned | N/A |
| UQH | Highmark Blue Cross Blue Shield | https://www.highmarkblueshield.com/home/ |
| UQI | No Prefix Assigned | N/A |
| UQJ | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UQK | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| UQL | No Prefix Assigned | N/A |
| UQM | Anthem Blue Cross Blue Shield of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| UQN | Capital Blue Cross | https://www.capbluecross.com/ |
| UQO | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UQQ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UQR | No Prefix Assigned | N/A |
| UQT | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| UQV | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UQW | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UQX | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| UQZ | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| URA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| URC | No Prefix Assigned | N/A |
| URD | No Prefix Assigned | N/A |
| URE | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| URF | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| URG | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| URH | No Prefix Assigned | N/A |
| URI | Independence Blue Cross | https://www.ibx.com/index.jsp |
| URK | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| URL | Excellus Blue Cross Blue Shield of New York | https://www.excellusbcbs.com/ |
| URN | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| URP | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| URQ | Highmark Blue Cross Blue Shield | https://www.highmarkblueshield.com/home/ |
| URR | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| URS | Blue Shield of California | https://blueshieldcaplans.com/ |
| URT | No Prefix Assigned | N/A |
| URU | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| URV | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| URW | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| URX | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| URY | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| URZ | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| USA | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| USB | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| USC | No Prefix Assigned | N/A |
| USD | Highmark Blue Cross Blue Shield | https://www.highmarkbcbsde.com/home/ |
| USE | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| USF | No Prefix Assigned | N/A |
| USG | No Prefix Assigned | N/A |
| USH | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| USI | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| USJ | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| USK | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| USL | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| USM | Blue Shield of California | https://blueshieldcaplans.com/ |
| USN | No Prefix Assigned | N/A |
| USO | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| USP | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| USQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| USR | Excellus Blue Cross Blue Shield of New York | https://www.excellusbcbs.com/ |
| USS | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UST | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| USV | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| USW | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| USZ | Blue Cross Blue Shield of North Dakota | https://www.bcbsnd.com/ |
| UTA | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UTC | No Prefix Assigned | N/A |
| UTD | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UTE | No Prefix Assigned | N/A |
| UTL | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UTM | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UTN | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UTP | No Prefix Assigned | N/A |
| UTR | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UTS | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UTT | Anthem Blue Cross Blue Shield of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| UTU | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UTW | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UTX | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| UTZ | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UUA | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UUC | Blue Cross Blue Shield of Oklahoma | https://www.bcbsok.com/ |
| UUD | No Prefix Assigned | N/A |
| UUE | Blue Shield of California | https://blueshieldcaplans.com/ |
| UUH | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| UUI | Blue Cross Blue Shield of North Carolina | https://www.bluecrossnc.com/ |
| UUJ | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UUL | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UUM | No Prefix Assigned | N/A |
| UUN | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UUO | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UUQ | Blue Shield of California | https://blueshieldcaplans.com/ |
| UUR | No Prefix Assigned | N/A |
| UUS | Blue Shield of California | https://blueshieldcaplans.com/ |
| UUT | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UUV | No Prefix Assigned | N/A |
| UUX | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UUY | No Prefix Assigned | N/A |
| UUZ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UVA | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UVC | Independence Blue Cross | https://www.ibx.com/index.jsp |
| UVD | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UVF | Unknown Assignment | https://www.bcbs.com/ |
| UVG | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UVH | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UVI | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UVJ | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UVM | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UVN | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UVS | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UVT | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UVU | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UVV | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UVX | No Prefix Assigned | N/A |
| UVY | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UWA | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UWB | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWC | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| UWD | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UWE | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWF | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UWG | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UWH | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWI | No Prefix Assigned | N/A |
| UWL | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWM | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UWN | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UWO | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWQ | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UWR | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWT | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UWU | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UWV | No Prefix Assigned | N/A |
| UWW | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UWX | Blue Cross Blue Shield of Rhode Island | https://www.bcbsri.com/ |
| UWY | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UWZ | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| UXA | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UXB | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| UXD | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| UXE | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| UXF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UXH | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UXI | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UXK | No Prefix Assigned | N/A |
| UXL | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| UXM | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UXN | No Prefix Assigned | N/A |
| UXQ | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UXR | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UXS | Premera Blue Cross | https://www.premera.com/visitor |
| UXT | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UXU | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UXV | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UXW | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| UXY | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UXZ | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UYA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| UYC | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| UYF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| UYG | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| UYH | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| UYI | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UYJ | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| UYK | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UYM | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UYN | No Prefix Assigned | N/A |
| UYO | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UYQ | Blue Cross Blue Shield of Louisiana | https://www.bcbsla.com/ |
| UYU | Blue Cross Blue Shield of Arizona | https://www.azblue.com/individualsandfamilies |
| UYV | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UYX | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| UYZ | Blue Cross of Idaho | https://www.bcidaho.com/ |
| UZA | No Prefix Assigned | N/A |
| UZB | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UZD | Blue Shield of California | https://blueshieldcaplans.com/ |
| UZE | Highmark Blue Cross Blue Shield | https://www.highmarkblueshield.com/home/ |
| UZF | No Prefix Assigned | N/A |
| UZH | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UZI | No Prefix Assigned | N/A |
| UZJ | No Prefix Assigned | N/A |
| UZK | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| UZL | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| UZM | Blue Cross Blue Shield of Louisiana | https://www.bcbsla.com/ |
| UZN | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| UZO | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| UZQ | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| UZR | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| UZS | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| UZT | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| UZW | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UZY | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| UZZ | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
