| TAA | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TAB | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TAC | No Prefix Assigned | N/A |
| TAE | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| TAF | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TAG | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TAH | Premera Blue Cross | https://www.premera.com/visitor |
| TAJ | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TAL | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TAM | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TAP | Premera Blue Cross | https://www.premera.com/visitor |
| TAQ | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TAR | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TAS | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TAT | No Prefix Assigned | N/A |
| TAV | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| TAW | Anthem Blue Cross Blue Shield of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| TAX | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TAY | Blue Cross Blue Shield of North Carolina | https://www.bluecrossnc.com/ |
| TAZ | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TBA | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TBB | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TBC | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TBD | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| TBE | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TBI | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TBJ | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TBK | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TBL | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TBM | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TBN | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TBO | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| TBP | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TBQ | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TBR | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TBS | Unknown Assignment | https://www.bcbs.com/ |
| TBT | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TBU | No Prefix Assigned | N/A |
| TBV | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TBW | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TBX | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TBZ | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TCA | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TCB | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TCC | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TCD | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TCE | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TCF | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| TCH | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TCI | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TCN | No Prefix Assigned | N/A |
| TCO | No Prefix Assigned | N/A |
| TCQ | Blue Shield of California | https://blueshieldcaplans.com/ |
| TCR | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TCS | Anthem Blue Cross Blue Shield of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| TCT | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TCU | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TCV | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| TCW | No Prefix Assigned | N/A |
| TCX | Blue Shield of California | https://blueshieldcaplans.com/ |
| TCY | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TCZ | No Prefix Assigned | N/A |
| TDA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TDB | Blue Cross of Idaho | https://www.bcidaho.com/ |
| TDC | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TDE | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TDG | Anthem Blue Cross Blue Shield of Nevada | https://www.anthem.com/individual-and-family/health-insurance/nevada/ |
| TDH | No Prefix Assigned | N/A |
| TDI | Blue Shield of California | https://blueshieldcaplans.com/ |
| TDJ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TDL | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TDM | No Prefix Assigned | N/A |
| TDN | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TDO | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TDP | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TDQ | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TDR | Blue Cross of Idaho | https://www.bcidaho.com/ |
| TDS | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TDT | Premera Blue Cross | https://www.premera.com/visitor |
| TDU | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TDV | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TDW | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TEA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TEB | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TED | No Prefix Assigned | N/A |
| TEE | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| TEF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TEH | Blue Shield of California | https://blueshieldcaplans.com/ |
| TEI | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TEJ | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TEK | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TEM | Blue Shield of California | https://blueshieldcaplans.com/ |
| TEN | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TEO | No Prefix Assigned | N/A |
| TEP | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TEQ | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TER | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TES | Blue Shield of California | https://blueshieldcaplans.com/ |
| TEU | No Prefix Assigned | N/A |
| TEV | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TEW | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TEX | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TEY | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TEZ | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TFA | No Prefix Assigned | N/A |
| TFB | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TFC | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TFD | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TFE | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TFF | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TFH | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TFI | Blue Cross of Idaho | https://www.bcidaho.com/ |
| TFJ | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| TFL | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TFM | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TFP | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TFR | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TFS | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TFU | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TFV | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TFW | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TFX | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TFY | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TFZ | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TGC | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TGD | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TGE | No Prefix Assigned | N/A |
| TGG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TGH | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TGI | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TGN | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TGO | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TGP | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TGQ | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TGR | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| TGS | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| TGV | Blue Shield of California | https://blueshieldcaplans.com/ |
| TGW | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TGZ | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| THB | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| THC | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| THD | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| THE | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| THF | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| THG | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| THH | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| THJ | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| THK | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| THL | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| THM | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| THO | No Prefix Assigned | N/A |
| THP | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| THT | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| THU | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| THV | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| THX | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| THZ | No Prefix Assigned | N/A |
| TIA | Blue Shield of California | https://blueshieldcaplans.com/ |
| TIB | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TID | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TIE | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TIL | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TIM | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TIN | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| TIO | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TIP | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TIQ | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TIS | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TIT | No Prefix Assigned | N/A |
| TIU | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TIW | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TIX | No Prefix Assigned | N/A |
| TIY | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TIZ | Blue Shield of California | https://blueshieldcaplans.com/ |
| TJA | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TJC | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TJE | No Prefix Assigned | N/A |
| TJF | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TJG | No Prefix Assigned | N/A |
| TJH | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TJI | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TJJ | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TJK | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TJL | No Prefix Assigned | N/A |
| TJN | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TJQ | Blue Shield of California | https://blueshieldcaplans.com/ |
| TJS | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TJT | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TJU | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TJV | Blue Shield of California | https://blueshieldcaplans.com/ |
| TJX | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TJY | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TJZ | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TKB | Blue Cross Blue Shield of Mississippi | https://www.bcbsms.com/ |
| TKC | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TKE | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TKG | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TKH | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TKI | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TKK | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TKL | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TKM | No Prefix Assigned | N/A |
| TKN | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TKP | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TKQ | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TKR | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TKS | No Prefix Assigned | N/A |
| TKU | No Prefix Assigned | N/A |
| TKV | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TKX | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TLA | No Prefix Assigned | N/A |
| TLB | No Prefix Assigned | N/A |
| TLD | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TLE | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLG | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TLI | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TLJ | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TLK | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TLL | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TLM | Blue Shield of California | https://blueshieldcaplans.com/ |
| TLN | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLO | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLP | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| TLQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TLR | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLS | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLT | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLU | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLV | Blue Cross Blue Shield of Rhode Island | https://www.bcbsri.com/ |
| TLW | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TLX | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TLY | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TLZ | No Prefix Assigned | N/A |
| TMA | No Prefix Assigned | N/A |
| TMB | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TMC | No Prefix Assigned | N/A |
| TME | Blue Cross of Idaho | https://www.bcidaho.com/ |
| TMF | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TMG | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TMH | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TMK | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TML | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TMM | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TMN | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TMQ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TMS | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TMT | No Prefix Assigned | N/A |
| TMU | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TMV | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TMW | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TMX | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TMY | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TMZ | Blue Cross Blue Shield of Arizona | https://www.azblue.com/individualsandfamilies |
| TNA | Blue Cross Blue Shield of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| TNB | No Prefix Assigned | N/A |
| TNC | No Prefix Assigned | N/A |
| TND | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TNG | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TNH | No Prefix Assigned | N/A |
| TNJ | No Prefix Assigned | N/A |
| TNL | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TNM | No Prefix Assigned | N/A |
| TNN | Blue Cross Blue Shield of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| TNP | No Prefix Assigned | N/A |
| TNR | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TNS | Excellus Blue Cross Blue Shield of New York | https://www.excellusbcbs.com/ |
| TNT | Blue Cross Blue Shield of North Dakota | https://www.bcbsnd.com/ |
| TNV | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| TNW | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TNX | Blue Cross Blue Shield of North Carolina | https://www.bluecrossnc.com/ |
| TNY | Excellus Blue Cross Blue Shield of New York | https://www.excellusbcbs.com/ |
| TNZ | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TOA | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TOB | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TOD | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TOE | Unknown Assignment | https://www.bcbs.com/ |
| TOF | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TOG | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TOH | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TOJ | No Prefix Assigned | N/A |
| TOL | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TOR | No Prefix Assigned | N/A |
| TOS | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TOT | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TOU | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TOV | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TOW | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TOY | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TPA | No Prefix Assigned | N/A |
| TPB | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TPC | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TPD | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TPF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TPG | Blue Cross Blue Shield of Rhode Island | https://www.bcbsri.com/ |
| TPH | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TPI | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TPK | No Prefix Assigned | N/A |
| TPM | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TPN | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TPO | No Prefix Assigned | N/A |
| TPP | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| TPT | Excellus Blue Cross Blue Shield of New York | https://www.excellusbcbs.com/ |
| TPV | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TPZ | No Prefix Assigned | N/A |
| TQB | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TQE | Anthem Blue Cross Blue Shield of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| TQG | Highmark Blue Cross Blue Shield | https://www.highmarkblueshield.com/home/ |
| TQI | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TQJ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TQK | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TQM | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TQO | Blue Cross Blue Shield of North Dakota | https://www.bcbsnd.com/ |
| TQP | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TQR | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TQU | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TQV | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TQX | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TQY | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TRA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TRB | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TRC | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TRD | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TRF | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TRG | Premera Blue Cross | https://www.premera.com/visitor |
| TRH | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TRJ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TRK | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TRL | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TRM | Blue Shield of California | https://blueshieldcaplans.com/ |
| TRN | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| TRO | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TRP | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TRR | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TRS | Unknown Assignment | https://www.bcbs.com/ |
| TRT | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TRV | Blue Cross Blue Shield of Nebraska | https://www.nebraskablue.com/ |
| TRW | No Prefix Assigned | N/A |
| TRX | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TRY | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TRZ | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TSA | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TSB | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TSC | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TSD | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TSE | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TSF | No Prefix Assigned | N/A |
| TSI | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TSJ | Anthem Blue Cross Blue Shield of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| TSK | No Prefix Assigned | N/A |
| TSL | Blue Cross Blue Shield of Nebraska | https://www.nebraskablue.com/ |
| TSM | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TSN | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TSO | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TSQ | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TSR | No Prefix Assigned | N/A |
| TSS | No Prefix Assigned | N/A |
| TST | Premera Blue Cross | https://www.premera.com/visitor |
| TSU | Premera Blue Cross | https://www.premera.com/visitor |
| TSV | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TSW | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TSY | No Prefix Assigned | N/A |
| TSZ | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TTA | Blue Cross of Idaho | https://www.bcidaho.com/ |
| TTB | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TTC | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TTD | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TTE | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TTF | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TTH | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TTI | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TTJ | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| TTK | Blue Cross Blue Shield of Arizona | https://www.azblue.com/individualsandfamilies |
| TTL | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TTN | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TTP | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TTQ | No Prefix Assigned | N/A |
| TTR | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TTT | No Prefix Assigned | N/A |
| TTV | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TTW | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TTX | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TTY | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TTZ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TUA | Capital Blue Cross | https://www.capbluecross.com/ |
| TUB | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TUC | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TUE | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TUF | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TUG | No Prefix Assigned | N/A |
| TUH | No Prefix Assigned | N/A |
| TUI | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TUJ | No Prefix Assigned | N/A |
| TUK | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TUM | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TUP | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TUR | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| TUS | No Prefix Assigned | N/A |
| TUT | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TUU | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TUV | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TUX | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TUY | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TUZ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TVA | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TVB | No Prefix Assigned | N/A |
| TVD | No Prefix Assigned | N/A |
| TVE | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TVF | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TVG | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| TVH | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TVJ | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TVK | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TVN | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TVP | No Prefix Assigned | N/A |
| TVQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TVR | No Prefix Assigned | N/A |
| TVS | Anthem Blue Cross Blue Shield of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| TVT | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TVU | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TVW | No Prefix Assigned | N/A |
| TVX | No Prefix Assigned | N/A |
| TWA | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TWB | Blue Cross Blue Shield of Minnesota | https://www.bluecrossmn.com/ |
| TWC | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TWD | Independence Blue Cross | https://www.ibx.com/index.jsp |
| TWE | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TWF | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TWH | Blue Shield of California | https://blueshieldcaplans.com/ |
| TWI | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TWJ | No Prefix Assigned | N/A |
| TWK | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TWL | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TWM | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TWN | Regence Blue Cross Blue Shield | https://www.regence.com/member/home |
| TWP | Horizon Blue Cross Blue Shield of New Jersey | https://www.horizonblue.com/ |
| TWQ | Empire Blue Cross Blue Shield of New York | https://www.empireblue.com/ |
| TWR | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TWS | No Prefix Assigned | N/A |
| TWT | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TWU | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TWX | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TWY | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TXA | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TXB | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TXC | Blue Cross Blue Shield of Alabama | https://www.bcbsal.org/web/index.html |
| TXD | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TXE | No Prefix Assigned | N/A |
| TXF | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TXG | No Prefix Assigned | N/A |
| TXI | Highmark Blue Cross Blue Shield | https://www.highmarkbcbswv.com/home/ |
| TXJ | Anthem Blue Cross Blue Shield of Nevada | https://www.anthem.com/individual-and-family/health-insurance/nevada/ |
| TXK | No Prefix Assigned | N/A |
| TXL | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TXM | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TXN | Blue Cross Blue Shield of Michigan | https://www.bcbsm.com/ |
| TXO | Blue Shield of California | https://blueshieldcaplans.com/ |
| TXQ | No Prefix Assigned | N/A |
| TXR | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TXS | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TXT | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TXU | Blue Cross Blue Shield of Western New York | https://www.bcbswny.com/ |
| TXV | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TXW | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TXX | Blue Cross Blue Shield of Massachusetts | https://home.bluecrossma.com/ |
| TXZ | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TYA | Premera Blue Cross | https://www.premera.com/visitor |
| TYB | Blue Shield of California | https://blueshieldcaplans.com/ |
| TYC | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| TYF | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TYG | Blue Cross Blue Shield of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| TYI | No Prefix Assigned | N/A |
| TYJ | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TYK | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TYL | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TYM | Blue Cross Blue Shield of Florida | https://www.floridablue.com/ |
| TYO | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| TYP | Wellmark Blue Cross Blue Shield | https://www.wellmark.com/ |
| TYR | Anthem Blue Cross Blue Shield of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| TYT | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TYU | Carefirst Blue Cross Blue Shield of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| TYV | Anthem Blue Cross Blue Shield of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| TYX | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TYY | Blue Cross Blue Shield of Texas | https://www.bcbstx.com/ |
| TYZ | Blue Cross Blue Shield of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| TZC | No Prefix Assigned | N/A |
| TZD | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TZG | Blue Shield of California | https://blueshieldcaplans.com/ |
| TZH | Blue Shield of California | https://blueshieldcaplans.com/ |
| TZI | Blue Cross Blue Shield of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| TZJ | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TZK | No Prefix Assigned | N/A |
| TZL | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TZN | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TZO | Anthem Blue Cross Blue Shield of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| TZP | No Prefix Assigned | N/A |
| TZQ | Anthem Blue Cross Blue Shield of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| TZR | Blue Cross Blue Shield of Illinois | https://www.bcbsil.com/ |
| TZS | Premera Blue Cross | https://www.premera.com/visitor |
| TZT | Blue Cross Blue Shield of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| TZV | Anthem Blue Cross Blue Shield of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| TZW | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TZX | Anthem Blue Cross Blue Shield of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| TZY | Highmark Blue Cross Blue Shield | https://www.highmarkbcbs.com/home/ |
| TZZ | No Prefix Assigned | N/A |
