BCBS Alpha Prefixes HAA to HZZ
| Prefix | Plan Name | |
|---|---|---|
| HAA | Horizon BCBS of New Jersey | |
| HAB | Horizon BCBS of New Jersey | |
| HAC | Horizon BCBS of New Jersey | |
| HAD | Carefirst BCBS of Maryland | |
| HAE | BCBS of Massachusetts | |
| HAG | Anthem Blue Cross of California | |
| HAH | Anthem | |
| HAI | Unassigned Prefix | |
| HAJ | Independence Blue Cross | |
| HAK | BCBS of Florida | |
| HAL | BCBS of Minnesota | |
| HAM | Horizon BCBS of New Jersey | |
| HAN | Unassigned Prefix | |
| HAO | BCBS of Michigan | |
| HAP | BCBS of Oklahoma | |
| HAQ | Horizon BCBS of New Jersey | |
| HAR | Regence Blue Shield of Idaho | |
| HAS | BCBS of Massachusetts | |
| HAT | Anthem | |
| HAU | Anthem BCBS of Nevada | |
| HAV | BCBS of Illinois | |
| HAW | BCBS of Michigan | |
| HAX | Horizon BCBS of New Jersey | |
| HAY | BCBS of Texas | |
| HAZ | Horizon BCBS of New Jersey | |
| HBA | Unassigned Prefix | |
| HBB | BCBS of Illinois | |
| HBC | Highmark BCBS | |
| HBD | Horizon BCBS of New Jersey | |
| HBE | Unassigned Prefix | |
| HBF | BCBS of Georgia | |
| HBG | Carefirst Administrators | |
| HBH | Horizon BCBS of New Jersey | |
| HBI | Anthem Central Region (OH, IN, KY) | |
| HBJ | BCBS of Arkansas Blue Advantage | |
| HBK | Horizon BCBS of New Jersey | |
| HBL | Anthem Central Region (OH, IN, KY) | |
| HBM | Horizon BCBS of New Jersey | |
| HBN | BCBS of Georgia | |
| HBP | BCBS of Minnesota | |
| HBR | BCBS of Massachusetts | |
| HBS | BCBS of Arkansas - Health Advantage | |
| HBT | BCBS of Texas | |
| HBU | BCBS of Georgia | |
| HBV | Anthem Blue Cross of California | |
| HBW | BCBS of North Carolina | |
| HBX | Horizon BCBS of New Jersey | |
| HBY | Horizon BCBS of New Jersey | |
| HBZ | Unassigned Prefix | |
| HCA | BCBS of Minnesota | |
| HCB | BCBS of Texas | |
| HCC | Carefirst BCBS of Maryland | |
| HCD | Horizon BCBS of New Jersey | |
| HCE | BCBS of Tennessee | |
| HCF | Carefirst Administrators | |
| HCG | Wellmark BCBS | |
| HCH | Carefirst BCBS of Maryland | |
| HCI | Unassigned Prefix | |
| HCJ | BCBS of Tennessee | |
| HCK | Carefirst Administrators | |
| HCL | BCBS of Illinois | |
| HCM | Wellmark BCBS | |
| HCN | BCBS of Massachusetts | |
| HCO | Horizon BCBS of New Jersey | |
| HCP | Unassigned Prefix | |
| HCQ | Anthem Central Region (OH, IN, KY) | |
| HCR | BCBS of Tennessee | |
| HCS | Regence Blue Cross Blue Shield of Oregon | |
| HCT | Highmark BCBS | |
| HCU | BCBS of Tennessee | |
| HCV | Wellmark BCBS | |
| HCW | Horizon BCBS of New Jersey | |
| HCX | Unassigned Prefix | |
| HCY | Anthem | |
| HCZ | Anthem Blue Cross of California | |
| HDA | Regence Blue Cross Blue Shield of Oregon | |
| HDB | Anthem Blue Cross of California | |
| HDC | Unassigned Prefix | |
| HDD | BCBS of Minnesota | |
| HDE | BCBS of Tennessee | |
| HDG | BCBS of Mississippi | |
| HDH | Wellmark BCBS | |
| HDI | Blue Shield of California | |
| HDJ | Anthem Blue Cross of California | |
| HDK | BCBS of South Carolina | |
| HDL | Anthem Blue Cross of California | |
| HDM | BCBS of South Carolina | |
| HDN | Unassigned Prefix | |
| HDO | Unassigned Prefix | |
| HDP | Anthem Blue Cross of California | |
| HDQ | Anthem Blue Cross of California | |
| HDR | BCBS of Nebraska | |
| HDS | Anthem Blue Cross of California | |
| HDT | Anthem Blue Cross of California | |
| HDU | Anthem Blue Cross of California | |
| HDV | Anthem | |
| HDW | Anthem Blue Cross of California | |
| HDX | BCBS of South Carolina | |
| HDY | Anthem Blue Cross of California | |
| HDZ | BCBS of Tennessee | |
| HEA | Anthem Blue Cross of California | |
| HEB | BCBS of Texas | |
| HEC | Unassigned Prefix | |
| HED | Horizon BCBS of New Jersey | |
| HEE | BCBS of Illinois | |
| HEF | Horizon BCBS of New Jersey | |
| HEG | Unassigned Prefix | |
| HEH | BCBS of Kansas | |
| HEI | BCBS of Minnesota | |
| HEJ | BCBS of South Carolina | |
| HEK | BCBS of Michigan | |
| HEL | BCBS of Texas | |
| HEM | Unassigned Prefix | |
| HEN | Horizon BCBS of New Jersey | |
| HEO | Anthem Blue Cross of California | |
| HEP | Unassigned Prefix | |
| HEQ | BCBS of Illinois | |
| HER | Carefirst BCBS of Maryland | |
| HES | BCBS of Georgia | |
| HET | Unassigned Prefix | |
| HEU | BCBS of Massachusetts | |
| HEV | Wellmark BCBS | |
| HEW | Anthem Central Region (OH, IN, KY) | |
| HEX | Unassigned Prefix | |
| HEY | BCBS of Illinois | |
| HEZ | BCBS of Illinois | |
| HFA | BCBS of Illinois | |
| HFB | Anthem | |
| HFC | Unassigned Prefix | |
| HFD | BCBS of Nebraska | |
| HFE | Unassigned Prefix | |
| HFF | Anthem Blue Cross of California | |
| HFG | Anthem Central Region (OH, IN, KY) | |
| HFH | Highmark BCBS | |
| HFI | Unassigned Prefix | |
| HFJ | Unassigned Prefix | |
| HFK | Carefirst BCBS of Maryland | |
| HFL | Regence BCBS of Washington | |
| HFM | Horizon BCBS of New Jersey | |
| HFN | BCBS of Minnesota | |
| HFO | Unassigned Prefix | |
| HFP | BCBS of Hawaii | |
| HFR | Horizon BCBS of New Jersey | |
| HFS | Anthem Blue Cross of California | |
| HFT | Regence BCBS of Washington | |
| HFV | BCBS of Georgia | |
| HFW | Horizon BCBS of New Jersey | |
| HFX | BCBS of Minnesota | |
| HFY | BCBS of Georgia | |
| HFZ | Anthem Central Region (OH, IN, KY) | |
| HGA | BCBS of Massachusetts | |
| HGB | Carefirst BCBS of Maryland | |
| HGC | Anthem | |
| HGD | BCBS of Texas | |
| HGE | BCBS of Minnesota | |
| HGF | Unassigned Prefix | |
| HGG | Wellmark BCBS | |
| HGH | Capital Blue Cross | |
| HGJ | Carefirst BCBS of Maryland | |
| HGK | Unassigned Prefix | |
| HGN | Unassigned Prefix | |
| HGO | Unassigned Prefix | |
| HGP | Wellmark BCBS | |
| HGQ | Unassigned Prefix | |
| HGR | BCBS of Alabama | |
| HGS | Horizon BCBS of New Jersey | |
| HGT | Carefirst Administrators | |
| HGU | Anthem | |
| HGV | Unassigned Prefix | |
| HGW | Anthem Blue Cross of California | |
| HGX | Highmark BCBS | |
| HGY | Carefirst BCBS of Maryland | |
| HGZ | Highmark BCBS | |
| HHA | Unassigned Prefix | |
| HHB | Empire BCBS of New York | |
| HHC | Anthem Central Region (OH, IN, KY) | |
| HHD | Unassigned Prefix | |
| HHE | BCBS of South Carolina | |
| HHF | BCBS of South Carolina | |
| HHG | Anthem | |
| HHH | Unassigned Prefix | |
| HHI | Wellmark BCBS | |
| HHJ | BCBS of Michigan | |
| HHK | BCBS of Texas | |
| HHL | BCBS of Michigan | |
| HHM | BCBS of South Carolina | |
| HHN | Unassigned Prefix | |
| HHO | Wellmark BCBS | |
| HHP | Horizon BCBS of New Jersey | |
| HHQ | Wellmark BCBS | |
| HHR | Anthem BCBS of Virginia | |
| HHS | BCBS of Tennessee | |
| HHT | Anthem | |
| HHU | Unassigned Prefix | |
| HHV | Anthem | |
| HHW | Horizon BCBS of New Jersey | |
| HHX | Capital Blue Cross | |
| HHY | BCBS of Minnesota | |
| HHZ | BCBS of South Carolina | |
| HIA | Anthem Central Region (OH, IN, KY) | |
| HIB | BCBS of Alabama | |
| HIC | Anthem | |
| HID | Unassigned Prefix | |
| HIE | Unassigned Prefix | |
| HIF | Unassigned Prefix | |
| HIG | Unassigned Prefix | |
| HIH | Unassigned Prefix | |
| HII | BCBS of Alabama | |
| HIJ | Wellmark BCBS | |
| HIL | BCBS of South Carolina | |
| HIM | Highmark BCBS | |
| HIO | Unassigned Prefix | |
| HIP | Unassigned Prefix | |
| HIQ | Blue Shield of California | |
| HIR | BCBS of Minnesota | |
| HIS | BCBS of Kansas City | |
| HIU | Unassigned Prefix | |
| HIV | Unassigned Prefix | |
| HIW | Unassigned Prefix | |
| HIX | BCBS of South Carolina | |
| HIY | Unassigned Prefix | |
| HJA | Anthem Blue Cross of California | |
| HJB | Anthem Central Region (OH, IN, KY) | |
| HJC | BCBS of Michigan | |
| HJD | Unassigned Prefix | |
| HJE | BCBS of Nebraska | |
| HJF | Anthem Blue Cross of California | |
| HJG | Highmark BCBS | |
| HJH | Unassigned Prefix | |
| HJI | BCBS of Michigan | |
| HJJ | BCBS of Texas | |
| HJK | BCBS of Texas | |
| HJL | Unassigned Prefix | |
| HJM | Unassigned Prefix | |
| HJN | Horizon BCBS of New Jersey | |
| HJP | Blue Shield of California | |
| HJQ | Blue Shield of California | |
| HJR | Highmark BCBS | |
| HJS | Carefirst BCBS of Maryland | |
| HJT | Unassigned Prefix | |
| HJU | Unassigned Prefix | |
| HJV | Unassigned Prefix | |
| HJW | Anthem | |
| HJX | Highmark BCBS | |
| HJY | BCBS of Michigan | |
| HJZ | Unassigned Prefix | |
| HKA | Carefirst BCBS of Maryland | |
| HKB | Anthem Virginia | 855-856-9286 |
| HKC | Wellmark BCBS | |
| HKD | BCBS of Michigan | |
| HKE | Unassigned Prefix | |
| HKF | Highmark BCBS | |
| HKG | Unassigned Prefix | |
| HKH | BCBS of Alabama | |
| HKI | BCBS of Michigan | |
| HKJ | Carefirst BCBS of Maryland | |
| HKK | Unassigned Prefix | |
| HKL | BCBS of Massachusetts | |
| HKM | BCBS of Georgia | |
| HKN | Carefirst BCBS of Maryland | |
| HKO | BCBS of Vermont | |
| HKP | BCBS of Michigan | |
| HKQ | Anthem Virginia | 855-856-9296 |
| HKR | Unassigned Prefix | |
| HKS | Regence Blue Shield of Washington | |
| HKT | Wellmark BCBS | |
| HKU | BCBS of Minnesota | |
| HKV | Unassigned Prefix | |
| HKW | Carefirst BCBS of Maryland | |
| HKX | Anthem Central Region (OH, IN, KY) | |
| HKY | Unassigned Prefix | |
| HKZ | Independence Blue Cross | |
| HLA | Anthem | |
| HLB | Unassigned Prefix | |
| HLC | Premera Blue Cross | |
| HLD | Premera Blue Cross | |
| HLE | Blue Shield of California | |
| HLF | Anthem Central Region (OH, IN, KY) | |
| HLG | Anthem | |
| HLH | BCBS of Texas | |
| HLI | Unassigned Prefix | |
| HLK | Anthem Central Region (OH, IN, KY) | |
| HLL | Anthem Central Region (OH, IN, KY) | |
| HLM | Horizon BCBS of New Jersey | |
| HLN | BCBS of Illinois | |
| HLO | Unassigned Prefix | |
| HLP | Wellmark BCBS | |
| HLQ | Unassigned Prefix | |
| HLR | Horizon BCBS of New Jersey | |
| HLS | BCBS of Alabama | |
| HLT | Unassigned Prefix | |
| HLU | Unassigned Prefix | |
| HLV | BCBS of Texas | |
| HLW | Anthem | |
| HLX | BCBS of Massachusetts | |
| HLY | BCBS of Texas | |
| HLZ | Anthem Central Region (OH, IN, KY) | |
| HMA | BCBS of South Carolina | |
| HMB | Horizon BCBS of New Jersey | |
| HMC | BCBS of Massachusetts | |
| HMD | BCBS of Alabama | |
| HME | BCBS of Texas | |
| HMF | BCBS of Nebraska | |
| HMG | Unassigned Prefix | |
| HMH | Anthem | |
| HMI | BCBS of Massachusetts | |
| HMJ | Carefirst BCBS of Maryland | |
| HMK | BCBS of Nebraska | |
| HML | BCBS of Alabama | |
| HMM | Anthem | |
| HMN | Blue Cross of Idaho | |
| HMO | Unassigned Prefix | |
| HMP | BCBS of Massachusetts | |
| HMQ | BCBS of Minnesota | |
| HMR | Excellus BCBS of New York | |
| HMS | Unassigned Prefix | |
| HMT | Empire BCBS of New York | |
| HMU | Blue Cross of Idaho | |
| HMV | Empire BCBS of New York | |
| HMW | Unassigned Prefix | |
| HMX | Wellmark BCBS | |
| HMY | BCBS of South Carolina | |
| HMZ | Empire BCBS of New York | |
| HNA | BCBS of Alabama | |
| HNB | Anthem Central Region (OH, IN, KY) | |
| HNC | Anthem Central Region (OH, IN, KY) | |
| HND | Regence BCBS of Oregon | |
| HNE | BCBS of South Carolina | |
| HNF | BCBS of Texas | |
| HNG | Unassigned Prefix | |
| HNH | Anthem Blue Cross of California | |
| HNI | BCBS of Massachusetts | |
| HNJ | Highmark BCBS | |
| HNK | BCBS of Massachusetts | |
| HNL | Unassigned Prefix | |
| HNM | Unassigned Prefix | |
| HNN | Unassigned Prefix | |
| HNO | Blue Shield of California | |
| HNP | Anthem Central Region (OH, IN, KY) | |
| HNQ | Unassigned Prefix | |
| HNS | Anthem Blue Cross of California | |
| HNT | BCBS of Texas | |
| HNU | Regence BCBS of Utah | |
| HNV | Anthem Central Region (OH, IN, KY) | |
| HNW | BCBS of Georgia | |
| HNX | BCBS of Michigan | |
| HNY | BCBS of Michigan | |
| HNZ | BCBS of Michigan | |
| HOA | BCBS of Michigan | |
| HOB | BCBS of Mississippi | |
| HOE | BCBS of South Carolina | |
| HOF | Anthem Central Region (OH, IN, KY) | |
| HOG | Unassigned Prefix | |
| HOH | Carefirst BCBS of Maryland | |
| HOJ | BCBS of Massachusetts | |
| HOK | Carefirst BCBS of Maryland | |
| HOL | BCBS of South Carolina | |
| HOM | BCBS of Kansas City | |
| HON | Wellmark BCBS | |
| HOO | Carefirst BCBS of Maryland | |
| HOP | Premera Blue Cross | |
| HOQ | Unassigned Prefix | |
| HOR | Unassigned Prefix | |
| HOS | BCBS of Massachusetts | |
| HOU | Anthem Central Region (OH, IN, KY) | |
| HOV | Unassigned Prefix | |
| HOW | BCBS of Alabama | |
| HOX | Unassigned Prefix | |
| HOY | Carefirst BCBS of Maryland | |
| HOZ | Carefirst BCBS of Maryland | |
| HPA | Horizon BCBS of New Jersey | |
| HPB | Anthem | |
| HPC | BCBS of South Carolina | |
| HPD | BCBS of Massachusetts | |
| HPE | Anthem Blue Cross of California | |
| HPF | Horizon BCBS of New Jersey | |
| HPG | BCBS of South Carolina | |
| HPH | Unassigned Prefix | |
| HPI | Unassigned Prefix | |
| HPJ | BCBS of Michigan | |
| HPK | Unassigned Prefix | |
| HPL | Anthem Blue Cross of California | |
| HPM | Blue Shield of California | |
| HPN | Unassigned Prefix | |
| HPO | BCBS of Illinois | |
| HPP | BCBS of Illinois | |
| HPQ | Unassigned Prefix | |
| HPR | Horizon BCBS of New Jersey | |
| HPS | Unassigned Prefix | |
| HPT | BCBS of Oklahoma | |
| HPU | BCBS of Illinois | |
| HPV | Unassigned Prefix | |
| HPW | Carefirst BCBS of Maryland | |
| HPX | BCBS of Alabama | |
| HPY | Empire BCBS of New York | |
| HPZ | BCBS of Florida | |
| HQA | Anthem BCBS of Colorado | |
| HQB | Unassigned Prefix | |
| HQC | Unassigned Prefix | |
| HQD | Wellmark BCBS | |
| HQE | Anthem | |
| HQG | BCBS of Georgia | |
| HQH | BCBS of Western New York | |
| HQI | Unassigned Prefix | |
| HQJ | Unassigned Prefix | |
| HQK | Anthem | |
| HQL | Unassigned Prefix | |
| HQM | Highmark BCBS | |
| HQO | BCBS of Western New York | |
| HQP | Unassigned Prefix | |
| HQR | Blue Shield of Northeastern New York | |
| HQS | Blue Shield of Northeastern New York | |
| HQT | BCBS of Western New York | |
| HQU | BCBS of Michigan | |
| HQV | Unassigned Prefix | |
| HQW | Regence Blue Cross Blue Shield of Utah | |
| HQX | Blue Shield of Northeastern New York | |
| HQY | BCBS of Illinois | |
| HQZ | BCBS of Minnesota | |
| HRA | BCBS of Tennessee | |
| HRB | Horizon BCBS of New Jersey | |
| HRC | Capital Blue Cross | |
| HRD | Unassigned Prefix | |
| HRE | BCBS of Illinois | |
| HRF | Highmark BCBS | |
| HRG | Unassigned Prefix | |
| HRH | Anthem Blue Cross of California | |
| HRJ | Anthem Blue Cross of California | |
| HRK | Premera Blue Cross | |
| HRL | BCBS of Minnesota | |
| HRM | Highmark BCBS | |
| HRN | Premera Blue Cross | |
| HRO | Capital Blue Cross | |
| HRP | Carefirst BCBS of Maryland | |
| HRQ | BCBS of Minnesota | |
| HRR | Unassigned Prefix | |
| HRS | Premera Blue Cross | |
| HRT | Highmark BCBS | |
| HRU | BCBS of Western New York | |
| HRV | Unassigned Prefix | |
| HRW | BCBS of Illinois | |
| HRX | Anthem | |
| HRY | BCBS of Alabama | |
| HRZ | Regence Blue Cross Blue Shield of Oregon | |
| HSA | Horizon BCBS of New Jersey | |
| HSB | BCBS of Texas | |
| HSC | Premera Blue Cross | |
| HSD | Horizon BCBS of New Jersey | |
| HSE | Horizon BCBS of New Jersey | |
| HSF | Horizon BCBS of New Jersey | |
| HSG | Horizon BCBS of New Jersey | |
| HSH | Horizon BCBS of New Jersey | |
| HSI | Highmark BCBS | |
| HSJ | Horizon BCBS of New Jersey | |
| HSK | BCBS of Illinois | |
| HSL | Horizon BCBS of New Jersey | |
| HSM | BCBS of Illinois | |
| HSN | Highmark BCBS | |
| HSO | BCBS of Michigan | |
| HSP | Unassigned Prefix | |
| HSQ | Horizon BCBS of New Jersey | |
| HSR | Highmark BCBS | |
| HSS | BCBS of Minnesota | |
| HST | BCBS of Texas | |
| HSU | Horizon BCBS of New Jersey | |
| HSV | BCBS of Nebraska | |
| HSW | Unassigned Prefix | |
| HSX | BCBS of Michigan | |
| HSY | Unassigned Prefix | |
| HSZ | BCBS of Massachusetts | |
| HTA | Empire BCBS of New York | |
| HTB | BCBS of Minnesota | |
| HTC | Unassigned Prefix | |
| HTD | Unassigned Prefix | |
| HTE | BCBS of Illinois | |
| HTF | Anthem Central Region (OH, IN, KY) | |
| HTH | Premera Blue Cross | |
| HTI | Blue Cross of Idaho | |
| HTJ | BCBS of Illinois | |
| HTK | Horizon BCBS of New Jersey | |
| HTL | Blue Shield of California | |
| HTM | Horizon BCBS of New Jersey | |
| HTN | Unassigned Prefix | |
| HTP | Unassigned Prefix | |
| HTQ | Anthem BCBS of Colorado | |
| HTR | Blue Shield of California | |
| HTS | Premera Blue Cross | |
| HTT | BCBS of Georgia | |
| HTU | BCBS of South Carolina | |
| HTV | BCBS of Texas | |
| HTW | Anthem Blue Cross of California | |
| HTX | BCBS of South Carolina | |
| HTY | Unassigned Prefix | |
| HTZ | BCBS of Illinois | |
| HUA | Unassigned Prefix | |
| HUB | Highmark BCBS | |
| HUC | BCBS of Michigan | |
| HUD | Anthem | |
| HUE | Anthem Central Region (OH, IN, KY) | |
| HUF | Horizon BCBS of New Jersey | |
| HUG | Unassigned Prefix | |
| HUH | Unassigned Prefix | |
| HUJ | BCBS of South Carolina | |
| HUK | Carefirst BCBS of Maryland | |
| HUL | Premera Blue Cross | |
| HUM | Highmark BCBS | |
| HUN | Wellmark BCBS | |
| HUO | Excellus BCBS of New York | |
| HUP | BCBS of Kansas City | |
| HUQ | Unassigned Prefix | |
| HUR | Unassigned Prefix | |
| HUS | BCBS of Michigan | |
| HUT | BCBS of Michigan | |
| HUU | BCBS of Kansas City | |
| HUV | Unassigned Prefix | |
| HUW | Anthem Central Region (OH, IN, KY) | |
| HUX | Unassigned Prefix | |
| HUY | BCBS of Alabama | |
| HUZ | Unassigned Prefix | |
| HVA | BCBS of Massachusetts | |
| HVB | BCBS of Minnesota | |
| HVC | Unassigned Prefix | |
| HVD | Horizon BCBS of New Jersey | |
| HVF | BCBS of Massachusetts | |
| HVG | Anthem | |
| HVH | BCBS of Tennessee | |
| HVJ | Highmark BCBS | |
| HVL | Excellus BCBS of New York | |
| HVN | Anthem Central Region (OH, IN, KY) | |
| HVP | BCBS of Michigan | |
| HVQ | Unassigned Prefix | |
| HVU | Carefirst Administrators | |
| HVV | BCBS of Nebraska | |
| HVW | Anthem | |
| HVX | Anthem | |
| HVY | BCBS of South Carolina | |
| HVZ | BCBS of Georgia | |
| HWA | Horizon BCBS of New Jersey | |
| HWB | Horizon BCBS of New Jersey | |
| HWC | Anthem BCBS of Virginia | |
| HWD | Anthem Blue Cross of California | |
| HWE | Horizon BCBS of New Jersey | |
| HWF | Unassigned Prefix | |
| HWG | Wellmark BCBS | |
| HWH | Anthem Blue Cross of California | |
| HWI | Wellmark BCBS | |
| HWJ | Unassigned Prefix | |
| HWK | Anthem Central Region (OH, IN, KY) | |
| HWL | Anthem | |
| HWM | Blue Cross of Idaho | |
| HWN | Carefirst Administrators | |
| HWO | Carefirst Administrators | |
| HWP | Anthem Central Region (OH, IN, KY) | |
| HWQ | Unassigned Prefix | |
| HWR | BCBS of Massachusetts | |
| HWS | Regence Blue Cross Blue Shield of Utah | |
| HWT | Unassigned Prefix | |
| HWU | Unassigned Prefix | |
| HWV | Unassigned Prefix | |
| HWW | Horizon BCBS of New Jersey | |
| HWX | Unassigned Prefix | |
| HWY | Unassigned Prefix | |
| HWZ | Unassigned Prefix | |
| HXA | BCBS of Massachusetts | |
| HXB | Unassigned Prefix | |
| HXC | Unassigned Prefix | |
| HXD | Unassigned Prefix | |
| HXE | Unassigned Prefix | |
| HXF | Unassigned Prefix | |
| HXG | BCBS of Georgia | |
| HXH | Anthem Central Region (OH, IN, KY) | |
| HXI | Unassigned Prefix | |
| HXJ | Anthem Central Region (OH, IN, KY) | |
| HXK | Unassigned Prefix | |
| HXL | Anthem Central Region (OH, IN, KY) | |
| HXM | Anthem BCBS of Virginia | |
| HXN | BCBS of Oklahoma | |
| HXO | BCBS of Nebraska | |
| HXP | Wellmark BCBS | |
| HXQ | BCBS of Alabama | |
| HXR | Premera Blue Cross | |
| HXS | Horizon BCBS of New Jersey | |
| HXT | Independence Blue Cross | |
| HXU | Anthem Central Region (OH, IN, KY) | |
| HXV | Unassigned Prefix | |
| HXW | Anthem Blue Cross of California | |
| HXX | Carefirst Administrators | |
| HXY | Unassigned Prefix | |
| HXZ | Unassigned Prefix | |
| HYA | Premera Blue Cross | |
| HYB | Horizon BCBS of New Jersey | |
| HYC | BCBS of Oklahoma | |
| HYD | Unassigned Prefix | |
| HYE | Unassigned Prefix | |
| HYF | BCBS of Arizona | |
| HYG | BCBS of Michigan | |
| HYH | Blue Shield of California | |
| HYI | Wellmark BCBS | |
| HYJ | BCBS of Illinois | |
| HYK | BCBS of Illinois | |
| HYL | Unassigned Prefix | |
| HYM | Unassigned Prefix | |
| HYN | BCBS of Alabama | |
| HYO | Unassigned Prefix | |
| HYP | BCBS of Georgia | |
| HYQ | Unassigned Prefix | |
| HYR | Highmark BCBS | |
| HYS | Anthem | |
| HYT | BCBS of Illinois | |
| HYU | Anthem Blue Cross of California | |
| HYV | Wellmark BCBS | |
| HYW | BCBS of Illinois | |
| HYX | Wellmark BCBS | |
| HYY | BCBS of North Carolina | |
| HYZ | Unassigned Prefix | |
| HZA | BCBS of Georgia | |
| HZB | BCBS of Florida | |
| HZC | Unassigned Prefix | |
| HZD | BCBS of Illinois | |
| HZF | Unassigned Prefix | |
| HZG | Anthem Central Region (OH, IN, KY) | |
| HZH | Wellmark BCBS | |
| HZI | BCBS of Nebraska | |
| HZJ | Unassigned Prefix | |
| HZK | BCBS of Illinois | |
| HZL | Unassigned Prefix | |
| HZM | BCBS of Western New York | |
| HZN | Unassigned Prefix | |
| HZO | Unassigned Prefix | |
| HZP | Anthem Central Region (OH, IN, KY) | |
| HZQ | Unassigned Prefix | |
| HZR | Premera Blue Cross | |
| HZS | Unassigned Prefix | |
| HZT | Highmark BCBS | |
| HZU | Premera Blue Cross | |
| HZV | Anthem Blue Cross of California | |
| HZW | Unassigned Prefix | |
| HZX | BCBS of Michigan | |
| HZY | BCBS of Texas | |
| HZZ | Unassigned Prefix |