BCBS Prefix Lookup HAA- HZZ
List of BCBS Prefixes HAA to HZZ
This list of bcbs prefixes includes both alpha prefixes and alpha numeric prefixes. We continue to add additional prefixes as we find them along with the blue cross blue shield provider phone number. Remember that each table has a search box at the top so it’s not necessary to page through the list of bc prefixes to find the one you need. Just enter the bc prefix in the search box to find it quickly. We appreciate your patience and support as we update our bcbs prefix lists.
| Prefix | Plan Name |
|---|---|
| H2A | Blue Cross Blue Shield of Illinois |
| H2B | BCBS of Western New York |
| H2C | Blue Cross Blue Shield of Illinois |
| H2D | Blue Cross Blue Shield of Illinois |
| H2F | Anthem BCBS of Indiana |
| H2G | Blue Cross Blue Shield of Texas |
| H2H | Blue Cross Blue Shield of Arkansas |
| H2J | Blue Cross Blue Shield of Illinois |
| H2K | Blue Cross Blue Shield of Illinois |
| H2L | Anthem BCBS of Indiana |
| H2M | Anthem BCBS of Virginia |
| H2N | Horizon Blue Cross Blue Shield of New Jersey |
| H2O | Highmark BCBS of Pennsylvania |
| H2P | Blue Cross Blue Shield of Illinois |
| H2Q | Anthem BCBS of Indiana |
| H2R | BCBS of Western New York |
| H2S | Anthem BCBS of Indiana |
| H2U | Anthem BCBS of Indiana |
| H2W | Horizon Blue Cross Blue Shield of New Jersey |
| H2X | Blue Cross Blue Shield of Massachusetts |
| H2Y | Horizon Blue Cross Blue Shield of New Jersey |
| H2Z | Horizon Blue Cross Blue Shield of New Jersey |
| H3A | Highmark BCBS of Pennsylvania |
| H3B | Highmark BCBS of Pennsylvania |
| H3C | Anthem BCBS of Virginia |
| H3D | Blue Cross Blue Shield of Illinois |
| H3E | Highmark BCBS of Pennsylvania |
| H3F | Anthem BCBS of Virginia |
| H3G | Premera Blue Cross |
| H3H | Anthem BCBS of Virginia |
| H3I | Highmark BCBS of Pennsylvania |
| H3J | Anthem BCBS of Virginia |
| H3K | Anthem BCBS of Virginia |
| H3L | Highmark BCBS of Pennsylvania |
| H3M | Blue Cross Blue Shield of Texas |
| H3N | Blue Cross of California |
| H3P | Highmark BCBS of Pennsylvania |
| H3Q | Highmark BCBS of Pennsylvania |
| H3R | Blue Cross Blue Shield of Illinois |
| H3S | Horizon Blue Cross Blue Shield of New Jersey |
| H3U | Blue Cross Blue Shield of Illinois |
| H3Z | Anthem BCBS of Virginia |
| H4A | Blue Cross Blue Shield of Illinois |
| H4B | Blue Cross Blue Shield of Illinois |
| H4C | Anthem BCBS of Virginia |
| H4D | Blue Cross Blue Shield of Illinois |
| H4F | Highmark BCBS of Pennsylvania |
| H4G | Blue Cross of California |
| H4H | Blue Cross Blue Shield of Rhode Island |
| H4J | Highmark BCBS of Pennsylvania |
| H4K | Highmark BCBS of Pennsylvania |
| H4M | Anthem BCBS of Virginia |
| H4N | Blue Cross of California |
| H4O | Blue Cross of California |
| H4R | Anthem BCBS of Colorado |
| H4S | Anthem BCBS of Indiana |
| H4T | Blue Cross Blue Shield of Texas |
| H5D | Blue Cross Blue Shield of Texas |
| H5G | Anthem BCBS of Virginia |
| H5K | Horizon Blue Cross Blue Shield of New Jersey |
| H5N | Anthem BCBS of Virginia |
| H5P | Blue Cross of California |
| H5R | Horizon Blue Cross Blue Shield of New Jersey |
| H5T | Anthem BCBS of Virginia |
| H6A | Blue Cross Blue Shield of Illinois |
| H6C | Anthem BCBS of Virginia |
| H6D | Blue Cross of California |
| H6F | Empire Blue Cross Blue Shield |
| H6G | Blue Cross of California |
| H6H | Regence Blue Cross Blue Shield of Oregon |
| H6N | Anthem BCBS of Virginia |
| H6P | Blue Cross Blue Shield of Massachusetts |
| H7B | Horizon Blue Cross Blue Shield of New Jersey |
| H7C | Blue Cross Blue Shield of Illinois |
| H7D | Blue Cross Blue Shield of Illinois |
| H7G | Regence Blue Shield of Washington |
| H7J | Horizon Blue Cross Blue Shield of New Jersey |
| H7P | Horizon Blue Cross Blue Shield of New Jersey |
| H8A | Anthem BCBS of Virginia |
| H8D | Blue Cross Blue Shield of Illinois |
| H8L | Blue Cross Blue Shield of Illinois |
| H8P | Blue Cross of California |
| H9K | Blue Cross Blue Shield of Illinois |
| HAA | Horizon Blue Cross Blue Shield of New Jersey |
| HAB | Horizon Blue Cross Blue Shield of New Jersey |
| HAC | Horizon Blue Cross Blue Shield of New Jersey |
| HAD | CareFirst BCBS |
| HAE | Blue Cross Blue Shield of Massachusetts |
| HAF | Horizon Blue Cross Blue Shield of New Jersey |
| HAG | Blue Cross of California |
| HAH | Anthem BCBS of Ohio |
| HAI | Independence Blue Cross |
| HAJ | Independence Blue Cross |
| HAK | Unassigned |
| HAL | Blue Cross Blue Shield of Minnesota |
| HAM | Horizon Blue Cross Blue Shield of New Jersey |
| HAN | Unassigned |
| HAO | Blue Cross Blue Shield of Michigan |
| HAP | Blue Cross Blue Shield of Oklahoma |
| HAQ | Horizon Blue Cross Blue Shield of New Jersey |
| HAR | Regence Blue Shield of Idaho |
| HAS | Blue Cross Blue Shield of Massachusetts |
| HAT | Anthem BCBS of Ohio |
| HAU | Anthem BCBS of Nevada |
| HAV | Blue Cross Blue Shield of Illinois |
| HAW | Blue Cross Blue Shield of Michigan |
| HAX | Horizon Blue Cross Blue Shield of New Jersey |
| HAY | Blue Cross Blue Shield of Texas |
| HAZ | Horizon Blue Cross Blue Shield of New Jersey |
| HBA | Anthem BCBS of Connecticut |
| HBB | Blue Cross Blue Shield of Illinois |
| HBC | Highmark BCBS of Pennsylvania |
| HBD | Horizon Blue Cross Blue Shield of New Jersey |
| HBE | Highmark BCBS of Pennsylvania |
| HBF | Blue Cross Blue Shield of Georgia |
| HBG | CareFirst BCBS |
| HBH | Horizon Blue Cross Blue Shield of New Jersey |
| HBI | Unassigned |
| HBJ | Blue Cross Blue Shield of Arkansas |
| HBK | Horizon Blue Cross Blue Shield of New Jersey |
| HBL | Anthem BCBS of Missouri |
| HBM | Horizon Blue Cross Blue Shield of New Jersey |
| HBN | Blue Cross Blue Shield of Georgia |
| HBO | Regence Blue Cross Blue Shield of Oregon |
| HBP | Blue Cross Blue Shield of Minnesota |
| HBQ | Blue Cross of California |
| HBR | Blue Cross Blue Shield of Massachusetts |
| HBS | Blue Cross Blue Shield of Arkansas |
| HBT | Blue Cross Blue Shield of Texas |
| HBU | Blue Cross Blue Shield of Georgia |
| HBV | Blue Cross of California |
| HBW | Blue Cross Blue Shield of North Carolina |
| HBX | Horizon Blue Cross Blue Shield of New Jersey |
| HBY | Horizon Blue Cross Blue Shield of New Jersey |
| HBZ | Blue Cross Blue Shield of Arkansas |
| HCA | Blue Cross Blue Shield of Minnesota |
| HCB | Blue Cross Blue Shield of Texas |
| HCC | CareFirst BCBS |
| HCD | Horizon Blue Cross Blue Shield of New Jersey |
| HCE | BCBS of Tennessee |
| HCF | Anthem BCBS of Wisconsin |
| HCG | Wellmark BCBS |
| HCH | CareFirst BCBS |
| HCI | Blue Cross Blue Shield of Nebraska |
| HCJ | Blue Cross Blue Shield of Illinois |
| HCK | Blue Cross of Idaho |
| HCL | Blue Cross Blue Shield of Illinois |
| HCM | Wellmark BCBS |
| HCN | Blue Cross Blue Shield of Massachusetts |
| HCO | Horizon Blue Cross Blue Shield of New Jersey |
| HCP | Independence Blue Cross |
| HCQ | Unassigned |
| HCR | BCBS of Tennessee |
| HCS | Regence Blue Cross Blue Shield of Oregon |
| HCT | Highmark BCBS of Pennsylvania |
| HCU | BCBS of Tennessee |
| HCV | Wellmark BCBS |
| HCW | Horizon Blue Cross Blue Shield of New Jersey |
| HCX | Anthem BCBS of Ohio |
| HCY | Anthem BCBS of Ohio |
| HCZ | Blue Cross of California |
| HDA | Regence Blue Cross Blue Shield of Oregon |
| HDB | Blue Cross of California |
| HDC | Blue Cross Blue Shield of Texas |
| HDD | Blue Cross Blue Shield of Minnesota |
| HDE | BCBS of Tennessee |
| HDF | Blue Cross Blue Shield of Illinois |
| HDG | Blue Cross Blue Shield of Mississippi |
| HDH | Wellmark BCBS |
| HDI | Blue Shield of California |
| HDJ | Blue Cross of California |
| HDK | Blue Cross Blue Shield of South Carolina |
| HDL | Blue Cross of California |
| HDM | Blue Cross Blue Shield of South Carolina |
| HDN | BCBS of Tennessee |
| HDO | Blue Cross of California |
| HDP | Blue Cross of California |
| HDQ | Blue Cross of California |
| HDR | Blue Cross Blue Shield of Nebraska |
| HDS | Blue Cross of California |
| HDT | Blue Cross of California |
| HDU | Blue Cross of California |
| HDV | Blue Cross of California |
| HDW | Blue Cross of California |
| HDX | Blue Cross Blue Shield of Alabama |
| HDY | Blue Cross of California |
| HDZ | Blue Shield of California |
| HEA | Blue Cross of California |
| HEB | Blue Cross Blue Shield of Texas |
| HEC | Highmark BCBS of Pennsylvania |
| HED | Horizon Blue Cross Blue Shield of New Jersey |
| HEE | Blue Cross Blue Shield of Illinois |
| HEF | Horizon Blue Cross Blue Shield of New Jersey |
| HEG | Blue Cross Blue Shield of Georgia |
| HEH | Blue Cross Blue Shield of Kansas |
| HEI | Blue Cross Blue Shield of Arkansas |
| HEJ | Blue Cross Blue Shield of South Carolina |
| HEK | BCBS of Michigan |
| HEL | Blue Cross Blue Shield of Texas |
| HEM | Highmark BCBS of Pennsylvania |
| HEN | Horizon Blue Cross Blue Shield of New Jersey |
| HEO | Blue Cross of California |
| HEP | Wellmark BCBS |
| HEQ | Blue Cross Blue Shield of Illinois |
| HER | CareFirst BCBS |
| HES | Blue Cross Blue Shield of Georgia |
| HET | Highmark BCBS of Pennsylvania |
| HEU | Blue Cross Blue Shield of Massachusetts |
| HEV | Wellmark BCBS |
| HEW | Unassigned |
| HEX | Blue Cross of California |
| HEY | Blue Cross Blue Shield of Illinois |
| HEZ | Blue Cross Blue Shield of Illinois |
| HFA | Blue Cross Blue Shield of Illinois |
| HFB | Anthem BCBS of Missouri |
| HFC | Blue Cross Blue Shield of Massachusetts |
| HFD | Blue Cross Blue Shield of Nebraska |
| HFE | Anthem BCBS of New Hampshire |
| HFF | Blue Cross of California |
| HFG | Unassigned |
| HFH | Highmark BCBS of Pennsylvania |
| HFI | Blue Cross Blue Shield of South Carolina |
| HFJ | Anthem BCBS of Wisconsin |
| HFK | CareFirst BCBS |
| HFL | Regence Blue Shield of Washington |
| HFM | Horizon Blue Cross Blue Shield of New Jersey |
| HFN | Blue Cross Blue Shield of Minnesota |
| HFO | BCBS of Tennessee |
| HFP | Blue Cross Blue Shield of Hawaii |
| HFQ | Blue Cross Blue Shield of Georgia |
| HFR | Horizon Blue Cross Blue Shield of New Jersey |
| HFS | Blue Cross of California |
| HFT | Regence Blue Shield of Washington |
| HFU | Blue Cross Blue Shield of Georgia |
| HFV | Blue Cross Blue Shield of Georgia |
| HFW | Horizon Blue Cross Blue Shield of New Jersey |
| HFX | Blue Cross Blue Shield of Minnesota |
| HFY | Blue Cross Blue Shield of Georgia |
| HFZ | Anthem BCBS of Ohio |
| HGA | Blue Cross Blue Shield of Massachusetts |
| HGB | CareFirst BCBS |
| HGC | Unassigned |
| HGD | Blue Cross Blue Shield of Texas |
| HGE | Blue Cross Blue Shield of Minnesota |
| HGF | Wellmark BCBS |
| HGG | Wellmark BCBS |
| HGH | Capital BlueCross |
| HGI | Unassigned |
| HGJ | CareFirst BCBS |
| HGK | Blue Cross Blue Shield of Georgia |
| HGL | Unassigned |
| HGM | Wellmark BCBS |
| HGN | Unassigned |
| HGO | Regence Blue Shield of Washington |
| HGP | Wellmark BCBS |
| HGQ | Blue Cross Blue Shield of Michigan |
| HGR | Blue Cross Blue Shield of Alabama |
| HGS | Horizon Blue Cross Blue Shield of New Jersey |
| HGT | CareFirst BCBS |
| HGU | Unassigned |
| HGV | Unassigned |
| HGW | Blue Cross of California |
| HGX | Highmark BCBS of Pennsylvania |
| HGY | CareFirst BCBS |
| HGZ | Highmark BCBS of Pennsylvania |
| HHA | Unassigned |
| HHB | Empire Blue Cross Blue Shield |
| HHC | Anthem BCBS of Connecticut |
| HHD | Wellmark BCBS |
| HHE | Anthem BCBS of Connecticut |
| HHF | Wellmark BCBS |
| HHG | Blue Cross Blue Shield of Wisconsin |
| HHH | Anthem BCBS of Kentucky |
| HHI | Wellmark BCBS |
| HHJ | Blue Cross Blue Shield of Michigan |
| HHK | Blue Cross Blue Shield of Texas |
| HHL | Blue Cross Blue Shield of Michigan |
| HHM | Blue Cross Blue Shield of South Carolina |
| HHN | Blue Cross Blue Shield of Alabama |
| HHO | Wellmark BCBS |
| HHP | Horizon Blue Cross Blue Shield of New Jersey |
| HHQ | Wellmark BCBS |
| HHR | Anthem BCBS of Virginia |
| HHS | Blue Cross of Idaho |
| HHT | Anthem BCBS of Ohio |
| HHU | Blue Cross Blue Shield of Illinois |
| HHV | Blue Cross Blue Shield of Massachusetts |
| HHW | Horizon Blue Cross Blue Shield of New Jersey |
| HHX | Capital BlueCross |
| HHY | Blue Cross Blue Shield of Minnesota |
| HHZ | Blue Cross Blue Shield of South Carolina |
| HIA | Unassigned |
| HIB | Blue Cross Blue Shield of Alabama |
| HIC | Unassigned |
| HID | Blue Cross of California |
| HIE | Blue Cross Blue Shield of Massachusetts |
| HIF | Blue Cross of Idaho |
| HIG | Blue Shield of California |
| HIH | Wellmark BCBS |
| HII | Blue Shield of California |
| HIJ | Wellmark BCBS |
| HIK | Blue Cross Blue Shield of South Carolina |
| HIL | Blue Cross Blue Shield of South Carolina |
| HIM | Highmark BCBS of Pennsylvania |
| HIN | Blue Cross Blue Shield of Vermont |
| HIO | Blue Cross Blue Shield of Michigan |
| HIP | Highmark BCBS of Pennsylvania |
| HIQ | Blue Shield of California |
| HIR | Blue Cross Blue Shield of Minnesota |
| HIS | Blue Cross Blue Shield of Kansas City |
| HIT | Highmark BCBS of Pennsylvania |
| HIU | BCBS of Tennessee |
| HIV | Regence Blue Cross Blue Shield of Oregon |
| HIW | Blue Cross Blue Shield of Georgia |
| HIX | Blue Cross Blue Shield of South Carolina |
| HIY | Blue Cross Blue Shield of Georgia |
| HIZ | Regence Blue Cross Blue Shield of Oregon |
| HJA | Blue Cross of California |
| HJB | Anthem BCBS of Ohio |
| HJC | Blue Cross Blue Shield of Michigan |
| HJD | Blue Cross Blue Shield of Illinois |
| HJE | Blue Cross Blue Shield of Nebraska |
| HJF | Blue Cross of California |
| HJG | Highmark BCBS of Pennsylvania |
| HJH | Blue Cross Blue Shield of Illinois |
| HJI | Blue Cross Blue Shield of Michigan |
| HJJ | Blue Cross Blue Shield of Texas |
| HJK | Blue Cross Blue Shield of Texas |
| HJL | Blue Cross Blue Shield of Illinois |
| HJM | Blue Shield of California |
| HJN | Horizon Blue Cross Blue Shield of New Jersey |
| HJO | Anthem BCBS of Kentucky |
| HJP | Blue Shield of California |
| HJQ | Blue Shield of California |
| HJR | Highmark BCBS of Pennsylvania |
| HJS | CareFirst BCBS |
| HJT | CareFirst BCBS |
| HJU | Wellmark BCBS |
| HJV | Blue Cross Blue Shield of Alabama |
| HJW | Empire Blue Cross Blue Shield |
| HJX | Highmark BCBS of Pennsylvania |
| HJY | Blue Cross Blue Shield of Michigan |
| HJZ | Wellmark BCBS |
| HKA | CareFirst BCBS |
| HKB | Anthem BCBS of Virginia |
| HKC | Wellmark BCBS |
| HKD | Blue Cross Blue Shield of Michigan |
| HKE | Anthem BCBS of Kentucky |
| HKF | Wellmark BCBS |
| HKG | Anthem BCBS of Kentucky |
| HKH | Empire Blue Cross Blue Shield |
| HKI | Blue Cross Blue Shield of Michigan |
| HKJ | CareFirst BCBS |
| HKK | Anthem BCBS of Virginia |
| HKL | Blue Cross Blue Shield of Massachusetts |
| HKM | Blue Cross Blue Shield of Georgia |
| HKN | CareFirst BCBS |
| HKO | Blue Shield of California |
| HKP | Blue Cross Blue Shield of Michigan |
| HKQ | Anthem BCBS of Virginia |
| HKR | Blue Cross Blue Shield of Illinois |
| HKS | Regence Blue Shield of Washington |
| HKT | Wellmark BCBS |
| HKU | Blue Cross Blue Shield of Minnesota |
| HKV | Blue Cross Blue Shield of Illinois |
| HKW | CareFirst BCBS |
| HKX | Unassigned |
| HKY | CareFirst BCBS |
| HKZ | Independence Blue Cross |
| HLA | Anthem BCBS of Ohio |
| HLB | Anthem BCBS of Ohio |
| HLC | Premera Blue Cross |
| HLD | Premera Blue Cross |
| HLE | Blue Shield of California |
| HLF | Anthem BCBS of Missouri |
| HLG | Anthem BCBS of Ohio |
| HLH | Blue Cross Blue Shield of Texas |
| HLI | Blue Cross of Idaho |
| HLJ | Blue Cross Blue Shield of South Carolina |
| HLK | Anthem BCBS of Ohio |
| HLL | Unassigned |
| HLM | Horizon Blue Cross Blue Shield of New Jersey |
| HLN | Blue Cross Blue Shield of Illinois |
| HLO | Anthem BCBS of Missouri |
| HLP | Wellmark BCBS |
| HLQ | Anthem BCBS of Missouri |
| HLR | Horizon Blue Cross Blue Shield of New Jersey |
| HLS | Blue Cross Blue Shield of South Carolina |
| HLT | Blue Cross Blue Shield of Massachusetts |
| HLU | Premera Blue Cross |
| HLV | Blue Cross Blue Shield of Texas |
| HLW | Empire Blue Cross Blue Shield |
| HLX | Blue Cross Blue Shield of Massachusetts |
| HLY | Blue Cross Blue Shield of Texas |
| HLZ | Anthem BCBS of Ohio |
| HMA | Blue Cross Blue Shield of South Carolina |
| HMB | Horizon Blue Cross Blue Shield of New Jersey |
| HMC | Wellmark BCBS |
| HMD | Blue Cross Blue Shield of Alabama |
| HME | Blue Cross Blue Shield of Texas |
| HMF | Blue Cross Blue Shield of Nebraska |
| HMG | Blue Cross Blue Shield of Georgia |
| HMH | Anthem BCBS of Wisconsin |
| HMI | Blue Cross Blue Shield of Massachusetts |
| HMJ | CareFirst BCBS |
| HMK | Blue Cross Blue Shield of Nebraska |
| HML | Blue Cross Blue Shield of Alabama |
| HMM | Blue Cross Blue Shield of Georgia |
| HMN | Wellmark BCBS |
| HMO | Blue Cross Blue Shield of Arkansas |
| HMP | Wellmark BCBS |
| HMQ | Blue Cross Blue Shield of Minnesota |
| HMR | Excellus BCBS |
| HMS | Premera Blue Cross |
| HMT | Empire Blue Cross Blue Shield |
| HMU | Blue Cross of Idaho |
| HMV | Empire Blue Cross Blue Shield |
| HMW | Blue Cross Blue Shield of Georgia |
| HMX | Wellmark BCBS |
| HMY | Blue Cross Blue Shield of South Carolina |
| HMZ | Empire Blue Cross Blue Shield |
| HNA | Blue Cross Blue Shield of Alabama |
| HNB | Unassigned |
| HNC | Anthem BCBS of Ohio |
| HND | Regence Blue Cross Blue Shield of Oregon |
| HNE | Blue Cross Blue Shield of South Carolina |
| HNF | Blue Cross Blue Shield of Texas |
| HNG | Highmark BCBS of Pennsylvania |
| HNH | Blue Cross of California |
| HNI | Blue Cross Blue Shield of Massachusetts |
| HNJ | Highmark BCBS of Pennsylvania |
| HNK | Blue Cross Blue Shield of Massachusetts |
| HNL | Highmark BCBS of Pennsylvania |
| HNM | Anthem BCBS of Ohio |
| HNN | Highmark BCBS of Pennsylvania |
| HNO | Blue Shield of California |
| HNP | Anthem BCBS of Ohio |
| HNQ | Independence Blue Cross |
| HNR | Blue Cross of California |
| HNS | Anthem BCBS of Wisconsin |
| HNT | Blue Cross Blue Shield of Texas |
| HNU | Regence Blue Shield of Washington |
| HNV | Anthem BCBS of Ohio |
| HNW | Blue Cross Blue Shield of Georgia |
| HNX | Blue Cross Blue Shield of Michigan |
| HNY | Blue Cross Blue Shield of Michigan |
| HNZ | Blue Cross Blue Shield of Michigan |
| HOA | Blue Cross Blue Shield of Michigan |
| HOB | Blue Cross Blue Shield of Mississippi |
| HOC | Blue Cross Blue Shield of Georgia |
| HOD | Blue Cross Blue Shield of Georgia |
| HOE | Blue Cross Blue Shield of South Carolina |
| HOF | Unassigned |
| HOG | Independence Blue Cross |
| HOH | CareFirst BCBS |
| HOI | Blue Cross of Idaho |
| HOJ | Blue Cross Blue Shield of Massachusetts |
| HOK | CareFirst BCBS |
| HOL | Blue Cross Blue Shield of South Carolina |
| HOM | Blue Cross Blue Shield of Nebraska |
| HON | Wellmark BCBS |
| HOO | CareFirst BCBS |
| HOP | Premera Blue Cross |
| HOQ | Independence Blue Cross |
| HOR | Independence Blue Cross |
| HOS | Blue Cross Blue Shield of Massachusetts |
| HOT | Blue Cross Blue Shield of Massachusetts |
| HOU | Anthem BCBS of Ohio |
| HOV | Highmark BCBS of Pennsylvania |
| HOW | Blue Cross Blue Shield of Alabama |
| HOX | Blue Cross Blue Shield of Massachusetts |
| HOY | CareFirst BCBS |
| HOZ | CareFirst BCBS |
| HPA | Horizon Blue Cross Blue Shield of New Jersey |
| HPB | Anthem BCBS of Missouri |
| HPC | Blue Cross Blue Shield of South Carolina |
| HPD | Blue Cross Blue Shield of Massachusetts |
| HPE | Blue Cross of California |
| HPF | Horizon Blue Cross Blue Shield of New Jersey |
| HPG | Blue Cross Blue Shield of South Carolina |
| HPH | Anthem BCBS of Colorado |
| HPI | Capital BlueCross |
| HPJ | Blue Cross Blue Shield of Michigan |
| HPK | Blue Cross of California |
| HPL | Blue Cross of California |
| HPM | Blue Shield of California |
| HPN | Anthem BCBS of Virginia |
| HPO | Blue Cross Blue Shield of North Carolina |
| HPP | Blue Cross Blue Shield of Illinois |
| HPQ | Blue Cross of California |
| HPR | Horizon Blue Cross Blue Shield of New Jersey |
| HPS | CareFirst BCBS |
| HPT | Blue Cross Blue Shield of Oklahoma |
| HPU | Blue Cross Blue Shield of Illinois |
| HPV | Blue Cross of California |
| HPW | CareFirst BCBS |
| HPX | Blue Cross Blue Shield of Alabama |
| HPY | Empire Blue Cross Blue Shield |
| HPZ | Florida Blue |
| HQA | Unassigned |
| HQB | Unassigned |
| HQC | Blue Cross Blue Shield of Minnesota |
| HQD | Wellmark BCBS |
| HQE | Anthem BCBS of Missouri |
| HQF | Anthem BCBS of Ohio |
| HQG | Blue Cross Blue Shield of Georgia |
| HQH | Blue Cross Blue Shield of Kansas City |
| HQI | Blue Cross Blue Shield of North Carolina |
| HQJ | Blue Cross Blue Shield of Massachusetts |
| HQK | Unassigned |
| HQL | Anthem BCBS of Missouri |
| HQM | Blue Cross Blue Shield of South Carolina |
| HQN | Wellmark BCBS |
| HQO | BCBS of Western New York |
| HQP | Anthem BCBS of Missouri |
| HQQ | Regence Blue Cross Blue Shield of Oregon |
| HQR | BCBS of Western New York |
| HQS | Blue Shield of Northeastern New York |
| HQT | BCBS of Western New York |
| HQU | Blue Cross Blue Shield of Michigan |
| HQV | Unassigned |
| HQW | Regence Blue Cross Blue Shield of Utah |
| HQX | Blue Shield of Northeastern New York |
| HQY | Blue Cross Blue Shield of Illinois |
| HQZ | Blue Cross Blue Shield of Minnesota |
| HRA | BCBS of Tennessee |
| HRB | Horizon Blue Cross Blue Shield of New Jersey |
| HRC | Capital BlueCross |
| HRD | Wellmark BCBS |
| HRE | Blue Cross Blue Shield of Illinois |
| HRF | Highmark BCBS of Pennsylvania |
| HRG | Wellmark BCBS |
| HRH | Blue Cross of California |
| HRI | Blue Cross Blue Shield of Minnesota |
| HRJ | Blue Cross of California |
| HRK | Premera Blue Cross |
| HRL | Blue Cross Blue Shield of Minnesota |
| HRM | Highmark BCBS of Pennsylvania |
| HRN | Premera Blue Cross |
| HRO | Capital BlueCross |
| HRP | CareFirst BCBS |
| HRQ | Blue Cross Blue Shield of Minnesota |
| HRR | Blue Cross Blue Shield of Illinois |
| HRS | Premera Blue Cross |
| HRT | Highmark BCBS of Pennsylvania |
| HRU | BCBS of Western New York |
| HRV | Blue Cross Blue Shield of Nebraska |
| HRW | Blue Cross Blue Shield of Illinois |
| HRX | Unassigned |
| HRY | Anthem BCBS of Virginia |
| HRZ | Regence Blue Cross Blue Shield of Oregon |
| HSA | Horizon Blue Cross Blue Shield of New Jersey |
| HSB | Blue Cross Blue Shield of Texas |
| HSC | Premera Blue Cross |
| HSD | Horizon Blue Cross Blue Shield of New Jersey |
| HSE | Horizon Blue Cross Blue Shield of New Jersey |
| HSF | Horizon Blue Cross Blue Shield of New Jersey |
| HSG | Horizon Blue Cross Blue Shield of New Jersey |
| HSH | Horizon Blue Cross Blue Shield of New Jersey |
| HSI | Independence Blue Cross |
| HSJ | Horizon Blue Cross Blue Shield of New Jersey |
| HSK | Blue Cross Blue Shield of Illinois |
| HSL | Horizon Blue Cross Blue Shield of New Jersey |
| HSM | BCBS of Tennessee |
| HSN | Highmark BCBS of Pennsylvania |
| HSO | Blue Cross Blue Shield of Michigan |
| HSP | Premera Blue Cross |
| HSQ | Horizon Blue Cross Blue Shield of New Jersey |
| HSR | Highmark BCBS of Pennsylvania |
| HSS | Blue Cross Blue Shield of Minnesota |
| HST | Blue Cross Blue Shield of Texas |
| HSU | Horizon Blue Cross Blue Shield of New Jersey |
| HSV | Blue Cross Blue Shield of Nebraska |
| HSW | CareFirst BCBS |
| HSX | Blue Cross Blue Shield of Michigan |
| HSY | Blue Cross Blue Shield of Georgia |
| HSZ | Blue Cross Blue Shield of Massachusetts |
| HTA | Empire Blue Cross Blue Shield |
| HTB | Blue Cross Blue Shield of Minnesota |
| HTC | Blue Cross Blue Shield of Texas |
| HTD | Blue Cross Blue Shield of Illinois |
| HTE | Blue Cross Blue Shield of Illinois |
| HTF | Anthem BCBS of Ohio |
| HTG | CareFirst BCBS |
| HTH | Premera Blue Cross |
| HTI | Blue Cross of Idaho |
| HTJ | Blue Cross Blue Shield of Illinois |
| HTK | Horizon Blue Cross Blue Shield of New Jersey |
| HTL | Blue Shield of California |
| HTM | Horizon Blue Cross Blue Shield of New Jersey |
| HTN | Blue Cross Blue Shield of Rhode Island |
| HTO | CareFirst BCBS |
| HTP | CareFirst BCBS |
| HTQ | Unassigned |
| HTR | Blue Shield of California |
| HTS | Premera Blue Cross |
| HTT | Blue Cross Blue Shield of Georgia |
| HTU | Blue Cross Blue Shield of South Carolina |
| HTV | Blue Cross Blue Shield of Texas |
| HTW | Blue Cross of California |
| HTX | Blue Cross Blue Shield of South Carolina |
| HTY | Highmark BCBS of Pennsylvania |
| HTZ | Blue Cross Blue Shield of Illinois |
| HUA | Blue Cross Blue Shield of Massachusetts |
| HUB | Highmark BCBS of Pennsylvania |
| HUC | Blue Cross Blue Shield of Michigan |
| HUD | Empire Blue Cross Blue Shield |
| HUE | Anthem BCBS of Connecticut |
| HUF | Horizon Blue Cross Blue Shield of New Jersey |
| HUG | Anthem BCBS of Colorado |
| HUH | Anthem BCBS of Wisconsin |
| HUI | Unassigned |
| HUJ | Blue Cross Blue Shield of South Carolina |
| HUK | CareFirst BCBS |
| HUL | Premera Blue Cross |
| HUM | Highmark BCBS of Pennsylvania |
| HUN | Wellmark BCBS |
| HUO | Excellus BCBS |
| HUP | Blue Cross Blue Shield of Kansas City |
| HUQ | Blue Cross Blue Shield of Kansas City |
| HUR | Blue Cross Blue Shield of Illinois |
| HUS | Blue Cross Blue Shield of Michigan |
| HUT | Blue Cross Blue Shield of Michigan |
| HUU | Blue Cross Blue Shield of Kansas City |
| HUV | Wellmark BCBS |
| HUW | Empire Blue Cross Blue Shield |
| HUX | Anthem BCBS of Ohio |
| HUY | Blue Cross Blue Shield of Alabama |
| HUZ | Wellmark BCBS |
| HVA | Blue Cross Blue Shield of Massachusetts |
| HVB | Blue Cross Blue Shield of Minnesota |
| HVC | Blue Cross Blue Shield of Georgia |
| HVD | Horizon Blue Cross Blue Shield of New Jersey |
| HVE | Wellmark BCBS |
| HVF | Blue Cross Blue Shield of Massachusetts |
| HVG | Anthem BCBS of Ohio |
| HVH | Anthem BCBS of Kentucky |
| HVI | Blue Shield of California |
| HVJ | Highmark BCBS of Pennsylvania |
| HVK | Anthem Blue Cross of California |
| HVL | Excellus BCBS |
| HVM | Blue Cross Blue Shield of Massachusetts |
| HVN | Anthem BCBS of Ohio |
| HVO | Anthem BCBS of Ohio |
| HVP | Blue Cross Blue Shield of Michigan |
| HVQ | CareFirst BCBS |
| HVR | Anthem BCBS of Wisconsin |
| HVS | Unassigned |
| HVT | Blue Cross of California |
| HVU | CareFirst BCBS |
| HVV | Blue Cross Blue Shield of Nebraska |
| HVW | Unassigned |
| HVX | Anthem BCBS of Ohio |
| HVY | Blue Cross Blue Shield of South Carolina |
| HVZ | Blue Cross Blue Shield of Georgia |
| HWA | Horizon Blue Cross Blue Shield of New Jersey |
| HWB | Horizon Blue Cross Blue Shield of New Jersey |
| HWC | Unassigned |
| HWD | Blue Cross of California |
| HWE | Horizon Blue Cross Blue Shield of New Jersey |
| HWF | Anthem BCBS of Ohio |
| HWG | Wellmark BCBS |
| HWH | Blue Cross of California |
| HWI | Wellmark BCBS |
| HWJ | CareFirst BCBS |
| HWK | Anthem BCBS of Ohio |
| HWL | Anthem BCBS of Ohio |
| HWM | Blue Cross of Idaho |
| HWN | CareFirst BCBS |
| HWO | CareFirst BCBS |
| HWP | Anthem BCBS of Ohio |
| HWQ | Horizon Blue Cross Blue Shield of New Jersey |
| HWR | Blue Cross Blue Shield of Massachusetts |
| HWS | Regence Blue Cross Blue Shield of Utah |
| HWT | Anthem BCBS of Colorado |
| HWU | Anthem BCBS of Kentucky |
| HWV | Anthem BCBS of Ohio |
| HWW | Horizon Blue Cross Blue Shield of New Jersey |
| HWX | Wellmark BCBS |
| HWY | Premera Blue Cross |
| HWZ | Blue Cross Blue Shield of Montana |
| HXA | Blue Cross Blue Shield of Massachusetts |
| HXB | Anthem BCBS of Colorado |
| HXC | Anthem BCBS of Ohio |
| HXD | Unassigned |
| HXE | Anthem BCBS of Wisconsin |
| HXF | Anthem BCBS of Nevada |
| HXG | Blue Cross Blue Shield of Georgia |
| HXH | Unassigned |
| HXI | Blue Shield of California |
| HXJ | Anthem BCBS of Indiana |
| HXK | Wellmark BCBS |
| HXL | Unassigned |
| HXM | Anthem BCBS of Virginia |
| HXN | Anthem BCBS of Ohio |
| HXO | Blue Cross Blue Shield of Nebraska |
| HXP | Wellmark BCBS |
| HXQ | Blue Cross Blue Shield of Alabama |
| HXR | Premera Blue Cross |
| HXS | Horizon Blue Cross Blue Shield of New Jersey |
| HXT | Independence Blue Cross |
| HXU | Anthem BCBS of Indiana |
| HXV | Anthem BCBS of Indiana |
| HXW | Blue Cross of California |
| HXX | CareFirst BCBS |
| HXY | Regence Blue Shield of Washington |
| HXZ | Wellmark BCBS |
| HYA | Premera Blue Cross |
| HYB | Horizon Blue Cross Blue Shield of New Jersey |
| HYC | Blue Shield of California |
| HYD | Blue Cross Blue Shield of Kansas City |
| HYE | Blue Cross of California |
| HYF | Blue Cross Blue Shield of Arizona |
| HYG | Blue Cross Blue Shield of Michigan |
| HYH | Blue Shield of California |
| HYI | Wellmark BCBS |
| HYJ | Blue Cross Blue Shield of Illinois |
| HYK | Blue Cross Blue Shield of Illinois |
| HYL | Anthem BCBS of Virginia |
| HYM | Wellmark BCBS |
| HYN | Blue Cross Blue Shield of Alabama |
| HYO | Capital BlueCross |
| HYP | Blue Cross Blue Shield of Georgia |
| HYQ | Blue Cross Blue Shield of Michigan |
| HYR | Highmark BCBS of Pennsylvania |
| HYS | Anthem BCBS of Ohio |
| HYT | Blue Cross Blue Shield of Illinois |
| HYU | Blue Cross of California |
| HYV | Wellmark BCBS |
| HYW | Blue Cross Blue Shield of Illinois |
| HYX | Wellmark BCBS |
| HYY | Blue Cross Blue Shield of North Carolina |
| HYZ | Wellmark BCBS |
| HZA | Blue Cross Blue Shield of Georgia |
| HZB | Florida Blue |
| HZC | Blue Cross Blue Shield of Illinois |
| HZD | Blue Cross Blue Shield of Illinois |
| HZE | Unassigned |
| HZF | Blue Cross Blue Shield of Illinois |
| HZG | Anthem BCBS of Indiana |
| HZH | Wellmark BCBS |
| HZI | Blue Cross Blue Shield of Nebraska |
| HZJ | Premera Blue Cross |
| HZK | Blue Cross Blue Shield of Illinois |
| HZL | Blue Cross Blue Shield of Texas |
| HZM | BCBS of Western New York |
| HZN | Anthem BCBS of Indiana |
| HZO | Blue Cross Blue Shield of Rhode Island |
| HZP | Unassigned |
| HZQ | Blue Shield of California |
| HZR | Premera Blue Cross |
| HZS | Blue Shield of California |
| HZT | Highmark BCBS of Pennsylvania |
| HZU | Premera Blue Cross |
| HZV | Blue Cross of California |
| HZW | Blue Cross Blue Shield of Michigan |
| HZX | Blue Cross Blue Shield of Michigan |
| HZY | Blue Cross Blue Shield of Texas |
| HZZ | Anthem BCBS of Ohio |