| HAA | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAC | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAD | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HAE | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HAF | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAG | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HAH | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HAJ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| HAK | Prefix Not in Use | https://www.bcbs.com/member-services |
| HAL | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HAM | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAO | BCBS of Michigan | https://www.bcbsm.com/ |
| HAP | BCBS of Oklahoma | https://www.bcbsok.com/ |
| HAQ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAR | Regence | https://www.regence.com/member/home |
| HAS | Prefix Not in Use | https://www.bcbs.com/member-services |
| HAT | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HAU | Anthem BCBS of Nevada | https://www.anthem.com/individual-and-family/health-insurance/nevada/ |
| HAV | BCBS of Illinois | https://www.bcbsil.com/ |
| HAW | BCBS of Michigan | https://www.bcbsm.com/ |
| HAX | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HAY | Prefix Not in Use | https://www.bcbs.com/member-services |
| HAZ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HBB | BCBS of Illinois | https://www.bcbsil.com/ |
| HBC | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HBD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HBF | Prefix Not in Use | https://www.bcbs.com/member-services |
| HBG | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HBH | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HBI | Prefix Not in Use | https://www.bcbs.com/member-services |
| HBJ | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| HBK | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HBL | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| HBM | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HBN | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HBO | Regence | https://www.regence.com/member/home |
| HBP | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HBQ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HBR | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HBS | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| HBT | BCBS of Texas | https://www.bcbstx.com/ |
| HBU | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HBV | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HBW | Prefix Not in Use | https://www.bcbs.com/member-services |
| HBX | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HBY | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HCA | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HCB | BCBS of Texas | https://www.bcbstx.com/ |
| HCC | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HCD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HCE | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| HCF | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HCG | Wellmark BCBS | https://www.wellmark.com/ |
| HCH | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HCJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCK | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCL | BCBS of Illinois | https://www.bcbsil.com/ |
| HCM | Wellmark BCBS | https://www.wellmark.com/ |
| HCN | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCO | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCR | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCS | Regence | https://www.regence.com/member/home |
| HCT | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HCU | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| HCV | Wellmark BCBS | https://www.wellmark.com/ |
| HCW | Prefix Not in Use | https://www.bcbs.com/member-services |
| HCY | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HCZ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDA | Prefix Not in Use | https://www.bcbs.com/member-services |
| HDB | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HDD | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HDE | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| HDF | BCBS of Illinois | https://www.bcbsil.com/ |
| HDG | BCBS of Mississippi | https://www.bcbsms.com/ |
| HDH | Wellmark BCBS | https://www.wellmark.com/ |
| HDI | Prefix Not in Use | https://www.bcbs.com/member-services |
| HDJ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDK | Prefix Not in Use | https://www.bcbs.com/member-services |
| HDL | Prefix Not in Use | https://www.bcbs.com/member-services |
| HDM | BCBS of Florida | https://www.floridablue.com/ |
| HDP | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDQ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDR | BCBS of Nebraska | https://www.nebraskablue.com/ |
| HDS | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDT | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDU | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDV | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HDW | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HDX | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HDY | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HDZ | Blue Shield of California | https://blueshieldcaplans.com/ |
| HEA | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HEB | BCBS of Texas | https://www.bcbstx.com/ |
| HED | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HEE | BCBS of Illinois | https://www.bcbsil.com/ |
| HEF | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HEH | Unknown Assignment | https://www.bcbs.com/ |
| HEI | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| HEJ | BCBS of Louisiana | https://www.bcbsla.com/ |
| HEK | BCBS of Michigan | https://www.bcbsm.com/ |
| HEL | BCBS of Texas | https://www.bcbstx.com/ |
| HEN | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HEO | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HEQ | BCBS of Illinois | https://www.bcbsil.com/ |
| HER | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HES | Prefix Not in Use | https://www.bcbs.com/member-services |
| HEU | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HEV | Wellmark BCBS | https://www.wellmark.com/ |
| HEW | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HEY | BCBS of Illinois | https://www.bcbsil.com/ |
| HEZ | BCBS of Illinois | https://www.bcbsil.com/ |
| HFA | BCBS of Illinois | https://www.bcbsil.com/ |
| HFB | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| HFD | BCBS of Nebraska | https://www.nebraskablue.com/ |
| HFF | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HFG | Prefix Not in Use | https://www.bcbs.com/member-services |
| HFH | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| HFK | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HFL | Regence | https://www.regence.com/member/home |
| HFM | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HFN | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HFP | BCBS of Hawaii | https://hmsa.com/ |
| HFQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HFR | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HFS | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HFT | Regence | https://www.regence.com/member/home |
| HFU | Prefix Not in Use | https://www.bcbs.com/member-services |
| HFV | Prefix Not in Use | https://www.bcbs.com/member-services |
| HFW | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HFX | Prefix Not in Use | https://www.bcbs.com/member-services |
| HFY | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HFZ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HGA | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HGB | Prefix Not in Use | https://www.bcbs.com/member-services |
| HGC | Prefix Not in Use | https://www.bcbs.com/member-services |
| HGD | BCBS of Texas | https://www.bcbstx.com/ |
| HGE | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HGG | Wellmark BCBS | https://www.wellmark.com/ |
| HGH | Capital Blue Cross | https://www.capbluecross.com/ |
| HGI | Prefix Not in Use | https://www.bcbs.com/member-services |
| HGJ | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HGL | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HGM | Wellmark BCBS | https://www.wellmark.com/ |
| HGP | Wellmark BCBS | https://www.wellmark.com/ |
| HGR | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HGS | Prefix Not in Use | https://www.bcbs.com/member-services |
| HGT | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HGU | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HGW | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HGX | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HGY | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HGZ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HHB | Empire BCBS of New York | https://www.empireblue.com/ |
| HHC | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| HHE | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| HHF | Wellmark BCBS | https://www.wellmark.com/ |
| HHG | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HHI | Wellmark BCBS | https://www.wellmark.com/ |
| HHJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HHK | BCBS of Texas | https://www.bcbstx.com/ |
| HHL | BCBS of Michigan | https://www.bcbsm.com/ |
| HHM | BCBS of Florida | https://www.floridablue.com/ |
| HHO | Wellmark BCBS | https://www.wellmark.com/ |
| HHP | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HHQ | Wellmark BCBS | https://www.wellmark.com/ |
| HHR | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HHS | Prefix Not in Use | https://www.bcbs.com/member-services |
| HHT | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HHV | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HHW | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HHX | Capital Blue Cross | https://www.capbluecross.com/ |
| HHY | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HHZ | Unknown Assignment | https://www.bcbs.com/ |
| HIA | Prefix Not in Use | https://www.bcbs.com/member-services |
| HIB | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HIC | Prefix Not in Use | https://www.bcbs.com/member-services |
| HII | Blue Shield of California | https://blueshieldcaplans.com/ |
| HIJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HIK | BCBS of Florida | https://www.floridablue.com/ |
| HIL | Unknown Assignment | https://www.bcbs.com/ |
| HIM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HIN | BCBS of Vermont | https://www.bcbsvt.com/individual-insurance |
| HIQ | Blue Shield of California | https://blueshieldcaplans.com/ |
| HIR | Prefix Not in Use | https://www.bcbs.com/member-services |
| HIS | Unknown Assignment | https://www.bcbs.com/ |
| HIT | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HIX | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HIZ | Regence | https://www.regence.com/member/home |
| HJA | Prefix Not in Use | https://www.bcbs.com/member-services |
| HJB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HJC | BCBS of Michigan | https://www.bcbsm.com/ |
| HJE | Prefix Not in Use | https://www.bcbs.com/member-services |
| HJF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HJG | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HJI | BCBS of Michigan | https://www.bcbsm.com/ |
| HJJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HJK | BCBS of Texas | https://www.bcbstx.com/ |
| HJN | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HJO | Anthem BCBS of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| HJP | Blue Shield of California | https://blueshieldcaplans.com/ |
| HJQ | Blue Shield of California | https://blueshieldcaplans.com/ |
| HJR | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| HJS | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HJW | Empire BCBS of New York | https://www.empireblue.com/ |
| HJX | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HJY | BCBS of Michigan | https://www.bcbsm.com/ |
| HKA | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HKB | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HKC | Wellmark BCBS | https://www.wellmark.com/ |
| HKD | BCBS of Michigan | https://www.bcbsm.com/ |
| HKF | Wellmark BCBS | https://www.wellmark.com/ |
| HKH | Empire BCBS of New York | https://www.empireblue.com/ |
| HKI | Prefix Not in Use | https://www.bcbs.com/member-services |
| HKJ | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HKL | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HKM | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HKN | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HKO | Blue Shield of California | https://blueshieldcaplans.com/ |
| HKP | BCBS of Michigan | https://www.bcbsm.com/ |
| HKQ | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HKS | Regence | https://www.regence.com/member/home |
| HKT | Wellmark BCBS | https://www.wellmark.com/ |
| HKU | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HKW | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HKX | Prefix Not in Use | https://www.bcbs.com/member-services |
| HKZ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| HLA | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HLC | Premera Blue Cross | https://www.premera.com/visitor |
| HLD | Premera Blue Cross | https://www.premera.com/visitor |
| HLE | Prefix Not in Use | https://www.bcbs.com/member-services |
| HLF | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| HLG | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HLH | BCBS of Texas | https://www.bcbstx.com/ |
| HLJ | Unknown Assignment | https://www.bcbs.com/ |
| HLK | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HLL | Prefix Not in Use | https://www.bcbs.com/member-services |
| HLM | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HLN | BCBS of Illinois | https://www.bcbsil.com/ |
| HLP | Wellmark BCBS | https://www.wellmark.com/ |
| HLR | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HLS | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HLV | BCBS of Texas | https://www.bcbstx.com/ |
| HLW | Empire BCBS of New York | https://www.empireblue.com/ |
| HLX | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HLY | BCBS of Texas | https://www.bcbstx.com/ |
| HLZ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HMA | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HMB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HMC | Wellmark BCBS | https://www.wellmark.com/ |
| HMD | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HME | BCBS of Texas | https://www.bcbstx.com/ |
| HMF | Prefix Not in Use | https://www.bcbs.com/member-services |
| HMH | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HMI | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HMJ | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HMK | BCBS of Nebraska | https://www.nebraskablue.com/ |
| HML | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HMM | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HMN | Wellmark BCBS | https://www.wellmark.com/ |
| HMP | Wellmark BCBS | https://www.wellmark.com/ |
| HMQ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HMR | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| HMT | Empire BCBS of New York | https://www.empireblue.com/ |
| HMU | Blue Cross of Idaho | https://www.bcidaho.com/ |
| HMV | Empire BCBS of New York | https://www.empireblue.com/ |
| HMX | Wellmark BCBS | https://www.wellmark.com/ |
| HMY | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HMZ | Empire BCBS of New York | https://www.empireblue.com/ |
| HNA | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HNB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HNC | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HND | Regence | https://www.regence.com/member/home |
| HNE | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HNF | BCBS of Texas | https://www.bcbstx.com/ |
| HNH | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HNI | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HNJ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HNK | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HNO | Prefix Not in Use | https://www.bcbs.com/member-services |
| HNP | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HNR | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HNS | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HNT | BCBS of Texas | https://www.bcbstx.com/ |
| HNU | Regence | https://www.regence.com/member/home |
| HNV | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HNW | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HNX | BCBS of Michigan | https://www.bcbsm.com/ |
| HNY | BCBS of Michigan | https://www.bcbsm.com/ |
| HNZ | BCBS of Michigan | https://www.bcbsm.com/ |
| HOA | BCBS of Michigan | https://www.bcbsm.com/ |
| HOB | BCBS of Mississippi | https://www.bcbsms.com/ |
| HOC | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HOD | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HOE | BCBS of Florida | https://www.floridablue.com/ |
| HOF | Prefix Not in Use | https://www.bcbs.com/member-services |
| HOH | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HOI | Blue Cross of Idaho | https://www.bcidaho.com/ |
| HOJ | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HOK | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HOL | Prefix Not in Use | https://www.bcbs.com/member-services |
| HOM | BCBS of Nebraska | https://www.nebraskablue.com/ |
| HON | Wellmark BCBS | https://www.wellmark.com/ |
| HOO | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HOP | Premera Blue Cross | https://www.premera.com/visitor |
| HOS | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HOT | Prefix Not in Use | https://www.bcbs.com/member-services |
| HOU | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HOW | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HOY | Prefix Not in Use | https://www.bcbs.com/member-services |
| HOZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HPA | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HPB | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| HPC | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HPD | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HPE | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HPF | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HPG | BCBS of Florida | https://www.floridablue.com/ |
| HPJ | BCBS of Michigan | https://www.bcbsm.com/ |
| HPL | Prefix Not in Use | https://www.bcbs.com/member-services |
| HPM | Prefix Not in Use | https://www.bcbs.com/member-services |
| HPO | Prefix Not in Use | https://www.bcbs.com/member-services |
| HPP | BCBS of Illinois | https://www.bcbsil.com/ |
| HPR | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HPT | BCBS of Oklahoma | https://www.bcbsok.com/ |
| HPU | BCBS of Illinois | https://www.bcbsil.com/ |
| HPW | Prefix Not in Use | https://www.bcbs.com/member-services |
| HPX | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HPY | Empire BCBS of New York | https://www.empireblue.com/ |
| HPZ | BCBS of Florida | https://www.floridablue.com/ |
| HQA | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| HQD | Wellmark BCBS | https://www.wellmark.com/ |
| HQE | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| HQF | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HQG | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HQH | Unknown Assignment | https://www.bcbs.com/ |
| HQK | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HQM | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HQN | Wellmark BCBS | https://www.wellmark.com/ |
| HQO | BCBS of Western New York | https://www.bcbswny.com/ |
| HQR | BCBS of Western New York | https://www.bcbswny.com/ |
| HQS | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| HQT | BCBS of Western New York | https://www.bcbswny.com/ |
| HQU | Prefix Not in Use | https://www.bcbs.com/member-services |
| HQW | Regence | https://www.regence.com/member/home |
| HQX | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| HQY | BCBS of Illinois | https://www.bcbsil.com/ |
| HQZ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HRA | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| HRB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HRC | Capital Blue Cross | https://www.capbluecross.com/ |
| HRE | BCBS of Illinois | https://www.bcbsil.com/ |
| HRF | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| HRH | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HRI | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HRJ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HRK | Premera Blue Cross | https://www.premera.com/visitor |
| HRL | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HRM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HRN | Premera Blue Cross | https://www.premera.com/visitor |
| HRO | Capital Blue Cross | https://www.capbluecross.com/ |
| HRP | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HRQ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HRS | Premera Blue Cross | https://www.premera.com/visitor |
| HRT | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HRU | BCBS of Western New York | https://www.bcbswny.com/ |
| HRW | BCBS of Illinois | https://www.bcbsil.com/ |
| HRX | Prefix Not in Use | https://www.bcbs.com/member-services |
| HRY | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HRZ | Regence | https://www.regence.com/member/home |
| HSA | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSB | BCBS of Texas | https://www.bcbstx.com/ |
| HSC | Prefix Not in Use | https://www.bcbs.com/member-services |
| HSD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSE | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSF | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSG | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSH | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSI | Independence Blue Cross | https://www.ibx.com/index.jsp |
| HSJ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSK | BCBS of Illinois | https://www.bcbsil.com/ |
| HSL | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSM | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| HSN | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HSO | BCBS of Michigan | https://www.bcbsm.com/ |
| HSQ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSR | Highmark BCBS | https://www.highmarkbcbswv.com/home/ |
| HSS | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HST | BCBS of Texas | https://www.bcbstx.com/ |
| HSU | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HSV | BCBS of Nebraska | https://www.nebraskablue.com/ |
| HSX | BCBS of Michigan | https://www.bcbsm.com/ |
| HSZ | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HTA | Empire BCBS of New York | https://www.empireblue.com/ |
| HTB | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTE | BCBS of Illinois | https://www.bcbsil.com/ |
| HTF | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HTG | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HTH | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTI | Blue Cross of Idaho | https://www.bcidaho.com/ |
| HTJ | BCBS of Illinois | https://www.bcbsil.com/ |
| HTK | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HTL | Blue Shield of California | https://blueshieldcaplans.com/ |
| HTM | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTO | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HTQ | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| HTR | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTS | Premera Blue Cross | https://www.premera.com/visitor |
| HTT | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTU | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTV | BCBS of Texas | https://www.bcbstx.com/ |
| HTW | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HTX | Prefix Not in Use | https://www.bcbs.com/member-services |
| HTZ | BCBS of Illinois | https://www.bcbsil.com/ |
| HUB | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HUC | BCBS of Michigan | https://www.bcbsm.com/ |
| HUD | Empire BCBS of New York | https://www.empireblue.com/ |
| HUE | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| HUF | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HUI | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HUJ | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HUK | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HUL | Premera Blue Cross | https://www.premera.com/visitor |
| HUM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HUN | Prefix Not in Use | https://www.bcbs.com/member-services |
| HUO | Prefix Not in Use | https://www.bcbs.com/member-services |
| HUP | Unknown Assignment | https://www.bcbs.com/ |
| HUS | BCBS of Michigan | https://www.bcbsm.com/ |
| HUT | BCBS of Michigan | https://www.bcbsm.com/ |
| HUU | Unknown Assignment | https://www.bcbs.com/ |
| HUW | Empire BCBS of New York | https://www.empireblue.com/ |
| HUY | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HVA | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HVB | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| HVD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HVE | Wellmark BCBS | https://www.wellmark.com/ |
| HVF | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HVG | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HVH | Anthem BCBS of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| HVI | Blue Shield of California | https://blueshieldcaplans.com/ |
| HVJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| HVK | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HVL | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| HVM | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HVN | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HVO | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HVP | BCBS of Michigan | https://www.bcbsm.com/ |
| HVR | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HVS | Prefix Not in Use | https://www.bcbs.com/member-services |
| HVT | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HVU | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HVV | Prefix Not in Use | https://www.bcbs.com/member-services |
| HVW | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| HVX | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HVY | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| HVZ | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| HWA | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HWB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HWC | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HWD | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HWE | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HWG | Wellmark BCBS | https://www.wellmark.com/ |
| HWH | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HWI | Wellmark BCBS | https://www.wellmark.com/ |
| HWK | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HWL | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HWM | Blue Cross of Idaho | https://www.bcidaho.com/ |
| HWN | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HWO | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HWP | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HWR | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HWS | Regence | https://www.regence.com/member/home |
| HWW | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HXA | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| HXG | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HXH | Prefix Not in Use | https://www.bcbs.com/member-services |
| HXJ | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| HXL | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HXM | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| HXN | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HXO | BCBS of Nebraska | https://www.nebraskablue.com/ |
| HXP | Prefix Not in Use | https://www.bcbs.com/member-services |
| HXQ | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HXR | Premera Blue Cross | https://www.premera.com/visitor |
| HXS | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HXT | Independence Blue Cross | https://www.ibx.com/index.jsp |
| HXU | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| HXW | Prefix Not in Use | https://www.bcbs.com/member-services |
| HXX | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| HYA | Premera Blue Cross | https://www.premera.com/visitor |
| HYB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| HYC | Blue Shield of California | https://blueshieldcaplans.com/ |
| HYF | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| HYG | BCBS of Michigan | https://www.bcbsm.com/ |
| HYH | Blue Shield of California | https://blueshieldcaplans.com/ |
| HYI | Wellmark BCBS | https://www.wellmark.com/ |
| HYJ | BCBS of Illinois | https://www.bcbsil.com/ |
| HYK | BCBS of Illinois | https://www.bcbsil.com/ |
| HYN | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| HYP | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HYR | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| HYS | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| HYT | BCBS of Illinois | https://www.bcbsil.com/ |
| HYU | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HYV | Wellmark BCBS | https://www.wellmark.com/ |
| HYW | BCBS of Illinois | https://www.bcbsil.com/ |
| HYX | Wellmark BCBS | https://www.wellmark.com/ |
| HYY | Prefix Not in Use | https://www.bcbs.com/member-services |
| HZA | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| HZB | BCBS of Florida | https://www.floridablue.com/ |
| HZD | Prefix Not in Use | https://www.bcbs.com/member-services |
| HZE | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| HZG | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| HZH | Wellmark BCBS | https://www.wellmark.com/ |
| HZI | Prefix Not in Use | https://www.bcbs.com/member-services |
| HZK | BCBS of Illinois | https://www.bcbsil.com/ |
| HZM | BCBS of Western New York | https://www.bcbswny.com/ |
| HZP | Prefix Not in Use | https://www.bcbs.com/member-services |
| HZR | Premera Blue Cross | https://www.premera.com/visitor |
| HZT | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| HZU | Premera Blue Cross | https://www.premera.com/visitor |
| HZV | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| HZX | BCBS of Michigan | https://www.bcbsm.com/ |
| HZY | BCBS of Texas | https://www.bcbstx.com/ |
| HZZ | Prefix Not in Use | https://www.bcbs.com/member-services |
