BCBS Alpha Prefixes KAA to KZZ
| Prefix | Plan Name |
|---|---|
| KAA | Anthem Central Region (OH, IN, KY) |
| KAB | Wellmark BCBS |
| KAC | Unassigned Prefix |
| KAD | BCBS of Michigan |
| KAE | BCBS of Illinois |
| KAF | Anthem Blue Cross of California |
| KAG | Unassigned Prefix |
| KAH | Anthem Central Region (OH, IN, KY) |
| KAI | Unassigned Prefix |
| KAJ | BCBS of Louisiana |
| KAK | BCBS of Western New York |
| KAL | BCBS of Alabama |
| KAM | Unassigned Prefix |
| KAN | Anthem |
| KAP | Unassigned Prefix |
| KAQ | BCBS of Michigan |
| KAR | Anthem |
| KAS | Anthem Blue Cross of California |
| KAT | BCBS of Illinois |
| KAU | BCBS of Tennessee |
| KAV | Unassigned Prefix |
| KAW | Unassigned Prefix |
| KAX | Anthem Blue Cross of California |
| KAZ | BCBS of Illinois |
| KBA | Unassigned Prefix |
| KBB | Unassigned Prefix |
| KBC | Unassigned Prefix |
| KBD | BCBS of South Carolina |
| KBE | BCBS of Vermont |
| KBF | Unassigned Prefix |
| KBG | Unassigned Prefix |
| KBH | Horizon BCBS of New Jersey |
| KBI | Capital Blue Cross |
| KBJ | Anthem |
| KBK | Unassigned Prefix |
| KBL | Anthem Central Region (OH, IN, KY) |
| KBM | BCBS of Nebraska |
| KBN | Anthem |
| KBO | Unassigned Prefix |
| KBP | Carefirst BCBS of Maryland |
| KBQ | Carefirst BCBS of Maryland |
| KBR | Premera Blue Cross |
| KBS | Anthem Central Region (OH, IN, KY) |
| KBT | Wellmark BCBS |
| KBU | Blue Shield of California |
| KBV | BCBS of Georgia |
| KBW | Anthem Central Region (OH, IN, KY) |
| KBX | Anthem |
| KBY | Unassigned Prefix |
| KBZ | Unassigned Prefix |
| KCA | Wellmark BCBS |
| KCB | Unassigned Prefix |
| KCC | Anthem Blue Cross of California |
| KCD | Regence BCBS of Washington |
| KCE | Unassigned Prefix |
| KCF | Anthem Central Region (OH, IN, KY) |
| KCG | BCBS of Illinois |
| KCH | Unassigned Prefix |
| KCJ | Unassigned Prefix |
| KCK | Anthem Central Region (OH, IN, KY) |
| KCL | BCBS of Minnesota |
| KCM | Highmark BCBS |
| KCN | Highmark BCBS |
| KCO | BCBS of Michigan |
| KCP | Anthem Blue Cross of California |
| KCQ | Premera Blue Cross |
| KCR | Anthem |
| KCS | Wellmark BCBS |
| KCT | Regence Blue Cross Blue Shield of Oregon |
| KCU | BCBS of Michigan |
| KCV | Wellmark BCBS |
| KCW | BCBS of Michigan |
| KCX | Blue Shield of California |
| KCY | Anthem Central Region (OH, IN, KY) |
| KCZ | Wellmark BCBS |
| KDA | BCBS of Michigan |
| KDB | BCBS of Michigan |
| KDC | BCBS of South Carolina |
| KDD | BCBS of Nebraska |
| KDF | BCBS of South Carolina |
| KDG | BCBS of Massachusetts |
| KDH | Anthem Central Region (OH, IN, KY) |
| KDI | Blue Cross of Idaho |
| KDJ | Horizon BCBS of New Jersey |
| KDK | BCBS of Tennessee |
| KDL | BCBS of Kansas City |
| KDM | BCBS of Massachusetts |
| KDN | BCBS of Alabama |
| KDO | Unassigned Prefix |
| KDP | Unassigned Prefix |
| KDQ | Unassigned Prefix |
| KDR | Highmark BCBS |
| KDS | Capital Blue Cross |
| KDT | Unassigned Prefix |
| KDU | BCBS of Vermont |
| KDV | Unassigned Prefix |
| KDW | Unassigned Prefix |
| KDX | Empire BCBS of New York |
| KDY | Unassigned Prefix |
| KDZ | Blue Shield of California |
| KEA | Unassigned Prefix |
| KEB | Anthem Blue Cross of California |
| KED | BCBS of Illinois |
| KEE | Blue Cross of Idaho |
| KEF | Anthem Central Region (OH, IN, KY) |
| KEG | Unassigned Prefix |
| KEH | Unassigned Prefix |
| KEJ | Unassigned Prefix |
| KEK | Anthem Blue Cross of California |
| KEL | BCBS of South Carolina |
| KEM | BCBS of South Carolina |
| KEN | Empire BCBS of New York |
| KEO | Wellmark BCBS |
| KEP | BCBS of Illinois |
| KEQ | Highmark BCBS |
| KER | Regence Blue Shield of Idaho |
| KES | Unassigned Prefix |
| KET | Carefirst BCBS of Maryland |
| KEU | Unassigned Prefix |
| KEV | Unassigned Prefix |
| KEW | BCBS of Michigan |
| KEX | BCBS of Illinois |
| KEY | Unassigned Prefix |
| KEZ | BCBS of Vermont |
| KFA | Unassigned Prefix |
| KFB | Unassigned Prefix |
| KFC | Unassigned Prefix |
| KFD | Unassigned Prefix |
| KFE | Anthem |
| KFF | Unassigned Prefix |
| KFG | Carefirst Administrators |
| KFH | BCBS of Nebraska |
| KFJ | Anthem Central Region (OH, IN, KY) |
| KFK | BCBS of Alabama |
| KFL | Anthem Blue Cross of California |
| KFM | Unassigned Prefix |
| KFN | Unassigned Prefix |
| KFR | Anthem Blue Cross of California |
| KFS | Anthem BCBS of Virginia |
| KFT | BCBS of Illinois |
| KFU | Anthem Central Region (OH, IN, KY) |
| KFV | Anthem Central Region (OH, IN, KY) |
| KFW | Anthem BCBS of Virginia |
| KFX | Unassigned Prefix |
| KFY | Premera Blue Cross |
| KFZ | BCBS of Minnesota |
| KGA | BCBS of Florida |
| KGC | BCBS of Florida |
| KGD | Anthem Central Region (OH, IN, KY) |
| KGE | Unassigned Prefix |
| KGF | Unassigned Prefix |
| KGG | Anthem Central Region (OH, IN, KY) |
| KGH | BCBS of Louisiana |
| KGI | Carefirst Administrators |
| KGJ | Anthem Central Region (OH, IN, KY) |
| KGK | Anthem Central Region (OH, IN, KY) |
| KGL | Anthem |
| KGM | BCBS of Arizona |
| KGN | BCBS of Texas |
| KGO | Unassigned Prefix |
| KGP | Carefirst BCBS of Maryland |
| KGQ | Carefirst BCBS of Maryland |
| KGR | Anthem Central Region (OH, IN, KY) |
| KGS | BCBS of Kansas |
| KGT | Anthem |
| KGU | Unassigned Prefix |
| KGV | Anthem Central Region (OH, IN, KY) |
| KGX | Anthem BCBS of Virginia |
| KGY | Unassigned Prefix |
| KGZ | Unassigned Prefix |
| KHA | Unassigned Prefix |
| KHB | BCBS of Alabama |
| KHC | Unassigned Prefix |
| KHD | Wellmark BCBS |
| KHE | Unassigned Prefix |
| KHF | Anthem Central Region (OH, IN, KY) |
| KHG | Blue Shield of California |
| KHH | BCBS of Alabama |
| KHI | Anthem Blue Cross of California |
| KHJ | Unassigned Prefix |
| KHK | Anthem Blue Cross of California |
| KHL | Unassigned Prefix |
| KHM | Unassigned Prefix |
| KHN | BCBS of North Carolina |
| KHO | Unassigned Prefix |
| KHP | BCBS of Illinois |
| KHQ | Carefirst BCBS of Maryland |
| KHR | Capital Blue Cross |
| KHS | Premera Blue Cross |
| KHT | BCBS of Minnesota |
| KHU | Wellmark BCBS |
| KHV | Carefirst BCBS of Maryland |
| KHW | Anthem Blue Cross of California |
| KHX | Anthem Central Region (OH, IN, KY) |
| KHY | Anthem Central Region (OH, IN, KY) |
| KHZ | Wellmark BCBS |
| KIA | BCBS of Georgia |
| KIB | BCBS of Georgia |
| KIC | Wellmark BCBS |
| KID | BCBS of Alabama |
| KIE | BCBS of Georgia |
| KIF | BCBS of Alabama |
| KIG | Unassigned Prefix |
| KIH | Unassigned Prefix |
| KIJ | Unassigned Prefix |
| KIK | BCBS of Illinois |
| KIN | Regence Blue Shield of Washington |
| KIP | Anthem |
| KIR | Regence BCBS of Washington |
| KIS | Capital Blue Cross |
| KIT | BCBS of Illinois |
| KIU | BCBS of Alabama |
| KIV | Anthem BCBS of Virginia |
| KIW | Anthem BCBS of Virginia |
| KIX | Anthem BCBS of Virginia |
| KIZ | Anthem Blue Cross of California |
| KJA | BCBS of Georgia |
| KJB | Unassigned Prefix |
| KJC | Anthem Blue Cross of California |
| KJD | BCBS of Alabama |
| KJE | Anthem Blue Cross of California |
| KJF | BCBS of Illinois |
| KJG | BCBS of Illinois |
| KJH | BCBS of Illinois |
| KJJ | Carefirst Administrators |
| KJK | Blue Shield of California |
| KJL | Blue Shield of California |
| KJM | BCBS of Illinois |
| KJN | Anthem Central Region (OH, IN, KY) |
| KJP | Unassigned Prefix |
| KJQ | Anthem Central Region (OH, IN, KY) |
| KJR | Highmark BCBS |
| KJS | Anthem Central Region (OH, IN, KY) |
| KJT | Wellmark BCBS |
| KJU | Anthem Central Region (OH, IN, KY) |
| KJV | Anthem Central Region (OH, IN, KY) |
| KJW | BCBS of Illinois |
| KJX | BCBS of Western New York |
| KJY | Highmark BCBS |
| KJZ | Anthem Central Region (OH, IN, KY) |
| KKA | BCBS of Alabama |
| KKB | Anthem Blue Cross of California |
| KKC | BCBS of Michigan |
| KKD | Anthem Blue Cross of California |
| KKE | BCBS of Oklahoma |
| KKF | Anthem Blue Cross of California |
| KKG | Unassigned Prefix |
| KKH | BCBS of Illinois |
| KKJ | Unassigned Prefix |
| KKL | Unassigned Prefix |
| KKM | Anthem Blue Cross of California |
| KKN | Unassigned Prefix |
| KKO | Unassigned Prefix |
| KKP | BCBS of Illinois |
| KKQ | Unassigned Prefix |
| KKR | BCBS of Michigan |
| KKS | Wellmark BCBS |
| KKT | Unassigned Prefix |
| KKU | BCBS of Minnesota |
| KKV | Anthem |
| KKW | Unassigned Prefix |
| KKY | Premera Blue Cross |
| KKZ | Unassigned Prefix |
| KLA | BCBS of Nebraska |
| KLB | Anthem Central Region (OH, IN, KY) |
| KLC | Premera Blue Cross |
| KLD | Carefirst Administrators |
| KLE | Anthem |
| KLF | Carefirst BCBS of Maryland |
| KLG | BCBS of Michigan |
| KLH | Unassigned Prefix |
| KLI | Unassigned Prefix |
| KLJ | Premera Blue Cross |
| KLM | BCBS of Michigan |
| KLN | BCBS of Michigan |
| KLP | BCBS of Michigan |
| KLQ | Unassigned Prefix |
| KLR | Anthem BCBS of Virginia |
| KLS | BCBS of Minnesota |
| KLT | BCBS of Illinois |
| KLU | Carefirst BCBS of Maryland |
| KLV | BCBS of Western New York |
| KLW | Anthem Blue Cross of California |
| KLY | Anthem Blue Cross of California |
| KLZ | Premera Blue Cross |
| KMA | Unassigned Prefix |
| KMB | Unassigned Prefix |
| KMC | Wellmark BCBS |
| KMD | Unassigned Prefix |
| KME | Unassigned Prefix |
| KMF | BCBS of Florida |
| KMG | Unassigned Prefix |
| KMH | BCBS of Florida |
| KMI | Blue Shield of California |
| KMJ | Empire BCBS of New York |
| KMK | BCBS of Illinois |
| KML | Anthem Blue Cross of California |
| KMM | Highmark BCBS |
| KMN | Highmark BCBS |
| KMP | BCBS of Nebraska |
| KMQ | Blue Cross of Idaho |
| KMR | Wellmark BCBS |
| KMS | BCBS of South Carolina |
| KMT | BCBS of Michigan |
| KMU | BCBS of Michigan |
| KMV | Unassigned Prefix |
| KMW | Anthem Blue Cross of California |
| KMX | Unassigned Prefix |
| KMY | Unassigned Prefix |
| KMZ | Anthem |
| KNA | Anthem Central Region (OH, IN, KY) |
| KNB | Highmark BCBS |
| KNC | Unassigned Prefix |
| KND | Unassigned Prefix |
| KNE | BCBS of Illinois |
| KNF | Unassigned Prefix |
| KNG | Unassigned Prefix |
| KNH | BCBS of Illinois |
| KNI | Unassigned Prefix |
| KNJ | Blue Shield of California |
| KNK | Anthem Blue Cross of California |
| KNL | Unassigned Prefix |
| KNM | Anthem Central Region (OH, IN, KY) |
| KNN | Unassigned Prefix |
| KNQ | Anthem Blue Cross of California |
| KNR | Anthem Blue Cross of California |
| KNS | BCBS of Illinois |
| KNT | Unassigned Prefix |
| KNU | Unassigned Prefix |
| KNV | Unassigned Prefix |
| KNW | Wellmark BCBS |
| KNX | BCBS of Tennessee |
| KNY | Unassigned Prefix |
| KNZ | Unassigned Prefix |
| KOA | Unassigned Prefix |
| KOC | Unassigned Prefix |
| KOD | BCBS of Western New York |
| KOE | Unassigned Prefix |
| KOF | Wellmark BCBS |
| KOG | Blue Shield of California |
| KOH | Unassigned Prefix |
| KOL | Unassigned Prefix |
| KOM | BCBS of Illinois |
| KON | BCBS of Illinois |
| KOS | Anthem BCBS of Colorado |
| KOV | Anthem Blue Cross of California |
| KOW | Anthem Blue Cross of California |
| KPA | Anthem Central Region (OH, IN, KY) |
| KPB | Unassigned Prefix |
| KPC | Unassigned Prefix |
| KPD | Anthem BCBS of Virginia |
| KPE | Unassigned Prefix |
| KPF | Regence Blue Cross Blue Shield of Oregon |
| KPG | Anthem Central Region (OH, IN, KY) |
| KPH | Unassigned Prefix |
| KPJ | BCBS of Illinois |
| KPK | BCBS of Texas |
| KPM | BCBS of South Carolina |
| KPN | Unassigned Prefix |
| KPP | Unassigned Prefix |
| KPQ | BCBS of Illinois |
| KPR | Capital Blue Cross |
| KPS | Anthem Central Region (OH, IN, KY) |
| KPT | BCBS of Minnesota |
| KPU | Unassigned Prefix |
| KPV | BCBS of Illinois |
| KPX | Unassigned Prefix |
| KPY | Independence Blue Cross |
| KQA | Unassigned Prefix |
| KQB | Anthem |
| KQC | Unassigned Prefix |
| KQD | Horizon BCBS of New Jersey |
| KQE | BCBS of Minnesota |
| KQF | BCBS of Massachusetts |
| KQG | BCBS of Alabama |
| KQH | Carefirst Administrators |
| KQJ | BCBS of North Carolina |
| KQK | Premera Blue Cross |
| KQL | Unassigned Prefix |
| KQM | Horizon BCBS of New Jersey |
| KQN | BCBS of Texas |
| KQP | Anthem |
| KQQ | BCBS of Western New York |
| KQR | Anthem Central Region (OH, IN, KY) |
| KQS | Horizon BCBS of New Jersey |
| KQT | Regence Blue Cross Blue Shield of Oregon |
| KQU | Premera Blue Cross |
| KQV | Unassigned Prefix |
| KQW | BCBS of Michigan |
| KQY | Anthem Central Region (OH, IN, KY) |
| KQZ | Anthem Central Region (OH, IN, KY) |
| KRA | Anthem Blue Cross of California |
| KRB | Unassigned Prefix |
| KRC | Unassigned Prefix |
| KRD | Wellmark BCBS |
| KRE | Anthem Central Region (OH, IN, KY) |
| KRF | Unassigned Prefix |
| KRG | Anthem Central Region (OH, IN, KY) |
| KRH | Wellmark BCBS |
| KRI | Unassigned Prefix |
| KRJ | Wellmark BCBS |
| KRL | Wellmark BCBS |
| KRM | Anthem Central Region (OH, IN, KY) |
| KRN | Anthem |
| KRO | Anthem Central Region (OH, IN, KY) |
| KRP | BCBS of Illinois |
| KRQ | Anthem Central Region (OH, IN, KY) |
| KRR | BCBS of Illinois |
| KRS | Unassigned Prefix |
| KRT | Anthem |
| KRU | Anthem |
| KRV | Unassigned Prefix |
| KRW | Anthem Central Region (OH, IN, KY) |
| KRX | Anthem Central Region (OH, IN, KY) |
| KRZ | Anthem Blue Cross of California |
| KSA | Unassigned Prefix |
| KSC | BCBS of Michigan |
| KSD | Unassigned Prefix |
| KSE | BCBS of Kansas |
| KSF | Anthem Blue Cross of California |
| KSG | Anthem Central Region (OH, IN, KY) |
| KSH | Empire BCBS of New York |
| KSI | BCBS of Tennessee |
| KSJ | BCBS of South Carolina |
| KSK | Unassigned Prefix |
| KSL | BCBS of Massachusetts |
| KSM | BCBS of Massachusetts |
| KSN | Empire BCBS of New York |
| KSP | BCBS of Michigan |
| KSQ | BCBS of Texas |
| KSR | Carefirst BCBS of Maryland |
| KSS | BCBS of Texas |
| KST | Anthem Blue Cross of California |
| KSU | Anthem Central Region (OH, IN, KY) |
| KSV | Anthem Blue Cross of California |
| KSW | BCBS of Tennessee |
| KSX | BCBS of Georgia |
| KSY | Anthem Blue Cross of California |
| KSZ | BCBS of Tennessee |
| KTA | Anthem Blue Cross of California |
| KTB | Unassigned Prefix |
| KTC | Highmark BCBS |
| KTD | BCBS of Western New York |
| KTE | Unassigned Prefix |
| KTF | Unassigned Prefix |
| KTG | Anthem Central Region (OH, IN, KY) |
| KTH | BCBS of Illinois |
| KTJ | Unassigned Prefix |
| KTK | BCBS of Nebraska |
| KTL | Unassigned Prefix |
| KTM | Unassigned Prefix |
| KTN | Premera Blue Cross |
| KTO | BCBS of Arizona |
| KTP | Blue Shield of California |
| KTQ | Unassigned Prefix |
| KTR | BCBS of Illinois |
| KTS | Anthem Central Region (OH, IN, KY) |
| KTT | Unassigned Prefix |
| KTU | BCBS of Illinois |
| KTV | Unassigned Prefix |
| KTW | BCBS of Georgia |
| KTX | Unassigned Prefix |
| KTY | Unassigned Prefix |
| KUA | Carefirst BCBS of Maryland |
| KUB | Unassigned Prefix |
| KUC | BCBS of Illinois |
| KUF | Wellmark BCBS |
| KUG | Horizon BCBS of New Jersey |
| KUH | Anthem BCBS of Virginia |
| KUJ | Anthem Central Region (OH, IN, KY) |
| KUK | Unassigned Prefix |
| KUL | BCBS of Illinois |
| KUN | Regence Blue Cross Blue Shield of Oregon |
| KUP | Unassigned Prefix |
| KUQ | BCBS of Minnesota |
| KUR | BCBS of Illinois |
| KUS | Highmark BCBS |
| KUT | Unassigned Prefix |
| KUU | Anthem Central Region (OH, IN, KY) |
| KUV | Unassigned Prefix |
| KUW | BCBS of Illinois |
| KUX | Anthem Central Region (OH, IN, KY) |
| KUY | Highmark BCBS |
| KUZ | Unassigned Prefix |
| KVA | Unassigned Prefix |
| KVB | BCBS of Alabama |
| KVC | Wellmark BCBS |
| KVD | BCBS of Alabama |
| KVE | Unassigned Prefix |
| KVF | Wellmark BCBS |
| KVG | BCBS of Minnesota |
| KVH | Capital Blue Cross |
| KVI | BCBS of Tennessee |
| KVJ | BCBS of Illinois |
| KVK | Unassigned Prefix |
| KVL | Unassigned Prefix |
| KVM | Wellmark BCBS |
| KVN | BCBS of Minnesota |
| KVP | BCBS of Tennessee |
| KVQ | Wellmark BCBS |
| KVR | Unassigned Prefix |
| KVS | Premera Blue Cross |
| KVT | Unassigned Prefix |
| KVU | BCBS of Georgia |
| KVV | Unassigned Prefix |
| KVW | Unassigned Prefix |
| KVX | BCBS of Massachusetts |
| KVY | Anthem Blue Cross of California |
| KVZ | Unassigned Prefix |
| KWA | BCBS of Michigan |
| KWB | Unassigned Prefix |
| KWC | BCBS of Tennessee |
| KWD | Unassigned Prefix |
| KWE | BCBS of Illinois |
| KWF | BCBS of Kansas City |
| KWG | Wellmark BCBS |
| KWH | Horizon BCBS of New Jersey |
| KWI | Anthem Blue Cross of California |
| KWJ | BCBS of South Carolina |
| KWM | Anthem Central Region (OH, IN, KY) |
| KWN | Anthem Blue Cross of California |
| KWP | Unassigned Prefix |
| KWQ | Unassigned Prefix |
| KWT | Unassigned Prefix |
| KWU | Premera Blue Cross |
| KWV | Regence BCBS of Washington |
| KWW | Carefirst BCBS of Maryland |
| KWX | Unassigned Prefix |
| KWY | Unassigned Prefix |
| KWZ | Unassigned Prefix |
| KXA | BCBS of Western New York |
| KXB | Premera Blue Cross |
| KXC | Unassigned Prefix |
| KXD | BCBS of Western New York |
| KXE | BCBS of Illinois |
| KXF | Unassigned Prefix |
| KXH | Independence Blue Cross |
| KXI | Unassigned Prefix |
| KXJ | Anthem Central Region (OH, IN, KY) |
| KXK | Unassigned Prefix |
| KXL | Unassigned Prefix |
| KXM | Unassigned Prefix |
| KXN | Blue Shield of California |
| KXP | BCBS of Minnesota |
| KXQ | Anthem Central Region (OH, IN, KY) |
| KXR | Unassigned Prefix |
| KXS | Wellmark BCBS |
| KXT | Unassigned Prefix |
| KXU | Anthem BCBS of Virginia |
| KXV | BCBS of Minnesota |
| KXW | Unassigned Prefix |
| KXX | Wellmark BCBS |
| KXY | Carefirst Administrators |
| KXZ | BCBS of Michigan |
| KYA | BCBS of Michigan |
| KYB | Unassigned Prefix |
| KYC | Anthem |
| KYD | BCBS of Michigan |
| KYE | Carefirst BCBS of Maryland |
| KYF | BCBS of Illinois |
| KYG | Anthem Central Region (OH, IN, KY) |
| KYH | Anthem Central Region (OH, IN, KY) |
| KYI | BCBS of Alabama |
| KYJ | Unassigned Prefix |
| KYK | BCBS of Michigan |
| KYL | Unassigned Prefix |
| KYM | BCBS of Michigan |
| KYN | BCBS of Michigan |
| KYO | Unassigned Prefix |
| KYP | BCBS of Michigan |
| KYQ | Anthem Central Region (OH, IN, KY) |
| KYR | Anthem Blue Cross of California |
| KYS | Empire BCBS of New York |
| KYT | Premera Blue Cross |
| KYU | Anthem Central Region (OH, IN, KY) |
| KYV | Unassigned Prefix |
| KYW | Anthem Central Region (OH, IN, KY) |
| KYX | BCBS of Michigan |
| KYY | Unassigned Prefix |
| KYZ | Unassigned Prefix |
| KZA | BCBS of South Carolina |
| KZC | Unassigned Prefix |
| KZD | Blue Shield of Northeastern New York |
| KZE | Wellmark BCBS |
| KZF | BCBS of Western New York |
| KZG | BCBS of North Carolina |
| KZH | BCBS of Illinois |
| KZJ | Unassigned Prefix |
| KZK | Unassigned Prefix |
| KZL | Unassigned Prefix |
| KZM | BCBS of Illinois |
| KZN | Unassigned Prefix |
| KZP | Anthem BCBS of Virginia |
| KZQ | Unassigned Prefix |
| KZR | Unassigned Prefix |
| KZS | Unassigned Prefix |
| KZT | Anthem Blue Cross of California |
| KZU | Anthem Blue Cross of California |
| KZW | Anthem Blue Cross of California |
| KZX | Unassigned Prefix |
| KZY | BCBS of Michigan |
| KZZ | Unassigned Prefix |