BCBS Alpha Prefixes WAA to WZZ
| Prefix | Plan Name |
|---|---|
| WAA | BCBS of Alabama |
| WAB | BCBS of Illinois |
| WAC | Unassigned Prefix |
| WAD | BCBS of Florida |
| WAE | BCBS of Texas |
| WAF | Unassigned Prefix |
| WAG | BCBS of Illinois |
| WAH | Premera Blue Cross |
| WAJ | BCBS of South Carolina |
| WAK | BCBS of South Carolina |
| WAL | BCBS of Massachusetts |
| WAM | Highmark BCBS |
| WAN | Unassigned Prefix |
| WAO | Unassigned Prefix |
| WAP | Carefirst BCBS of Maryland |
| WAQ | BCBS of South Carolina |
| WAR | BCBS of South Carolina |
| WAS | Anthem |
| WAT | Empire BCBS of New York |
| WAU | Wellmark BCBS |
| WAV | BCBS of Massachusetts |
| WAW | BCBS of Massachusetts |
| WAX | Unassigned Prefix |
| WAY | Unassigned Prefix |
| WBA | Unassigned Prefix |
| WBB | Unassigned Prefix |
| WBC | Premera Blue Cross |
| WBD | Unassigned Prefix |
| WBE | Blue Cross of Idaho |
| WBF | Unassigned Prefix |
| WBG | Regence BCBS of Washington |
| WBH | Anthem Central Region (OH, IN, KY) |
| WBI | Anthem Central Region (OH, IN, KY) |
| WBK | BCBS of North Carolina |
| WBL | Anthem |
| WBN | Highmark BCBS |
| WBO | BCBS of Oklahoma |
| WBP | Regence BCBS of Washington |
| WBQ | BCBS of Michigan |
| WBR | Anthem Blue Cross of California |
| WBS | Wellmark BCBS |
| WBT | Unassigned Prefix |
| WBU | BCBS of Michigan |
| WBV | Unassigned Prefix |
| WBW | BCBS of Nebraska |
| WBX | Blue Shield of Northeastern New York |
| WBY | Unassigned Prefix |
| WBZ | Blue Cross of Idaho |
| WCA | Anthem |
| WCB | Wellmark BCBS |
| WCC | BCBS of Illinois |
| WCD | BCBS of Minnesota |
| WCE | Anthem Blue Cross of California |
| WCF | Anthem |
| WCG | Anthem |
| WCH | BCBS of Massachusetts |
| WCI | Anthem Central Region (OH, IN, KY) |
| WCJ | Unassigned Prefix |
| WCK | Unassigned Prefix |
| WCL | Premera Blue Cross |
| WCM | Highmark BCBS |
| WCO | Unassigned Prefix |
| WCP | Regence Blue Cross Blue Shield of Oregon |
| WCQ | Wellmark BCBS |
| WCR | Anthem |
| WCS | BCBS of Minnesota |
| WCT | Anthem Blue Cross of California |
| WCU | Anthem Blue Cross of California |
| WCV | BCBS of Massachusetts |
| WCW | Blue Shield of California |
| WCX | Wellmark BCBS |
| WCY | Regence BCBS of Washington |
| WCZ | Blue Cross of Idaho |
| WDA | Carefirst BCBS of Maryland |
| WDB | Unassigned Prefix |
| WDC | Unassigned Prefix |
| WDD | Carefirst BCBS of Maryland |
| WDE | BCBS of Alabama |
| WDF | Carefirst BCBS of Maryland |
| WDG | Carefirst BCBS of Maryland |
| WDH | Wellmark BCBS |
| WDJ | Unassigned Prefix |
| WDK | Carefirst BCBS of Maryland |
| WDL | Unassigned Prefix |
| WDM | BCBS of Nebraska |
| WDN | Unassigned Prefix |
| WDO | Unassigned Prefix |
| WDP | Unassigned Prefix |
| WDQ | Anthem Central Region (OH, IN, KY) |
| WDR | Regence Blue Shield of Washington |
| WDS | BCBS of South Carolina |
| WDT | Regence Blue Cross Blue Shield of Utah |
| WDV | Unassigned Prefix |
| WDW | Unassigned Prefix |
| WDX | Anthem BCBS of Virginia |
| WDY | Unassigned Prefix |
| WEA | Excellus BCBS of New York |
| WEB | Regence Blue Cross Blue Shield of Oregon |
| WEC | BCBS of Minnesota |
| WED | Blue Shield of California |
| WEE | Wellmark BCBS |
| WEF | BCBS of Minnesota |
| WEG | BCBS of Texas |
| WEH | Wellmark BCBS |
| WEI | Wellmark BCBS |
| WEJ | Unassigned Prefix |
| WEK | Unassigned Prefix |
| WEL | BCBS of Massachusetts |
| WEM | Unassigned Prefix |
| WEN | Unassigned Prefix |
| WEP | Anthem Blue Cross of California |
| WEQ | BCBS of Nebraska |
| WER | BCBS of Nebraska |
| WES | BCBS of Arkansas Blue Advantage |
| WET | Anthem Blue Cross of California |
| WEU | Premera Blue Cross |
| WEV | BCBS of Western New York |
| WEW | Carefirst BCBS of Maryland |
| WEX | Regence BCBS of Utah |
| WEY | Unassigned Prefix |
| WFA | Highmark BCBS |
| WFB | Carefirst BCBS of Maryland |
| WFC | Blue Cross of Idaho |
| WFD | Anthem Blue Cross of California |
| WFE | Regence BCBS of Washington |
| WFF | BCBS of Tennessee |
| WFG | Unassigned Prefix |
| WFH | BCBS of Alabama |
| WFJ | Carefirst BCBS of Maryland |
| WFK | BCBS of Michigan |
| WFL | Unassigned Prefix |
| WFM | Excellus BCBS of New York |
| WFN | Regence BCBS of Washington |
| WFP | BCBS of Illinois |
| WFQ | Anthem Central Region (OH, IN, KY) |
| WFS | BCBS of Kansas City |
| WFU | BCBS of South Carolina |
| WFV | Carefirst BCBS of Maryland |
| WFW | Highmark BCBS |
| WFY | Carefirst BCBS of Maryland |
| WFZ | BCBS of South Carolina |
| WGA | Premera Blue Cross |
| WGC | BCBS of Massachusetts |
| WGD | Wellmark BCBS |
| WGE | Unassigned Prefix |
| WGF | Anthem Blue Cross of California |
| WGG | Anthem Central Region (OH, IN, KY) |
| WGH | Unassigned Prefix |
| WGI | BCBS of Michigan |
| WGJ | Carefirst BCBS of Maryland |
| WGK | Unassigned Prefix |
| WGL | Unassigned Prefix |
| WGM | Anthem BCBS of Virginia |
| WGN | Excellus BCBS of New York |
| WGP | Unassigned Prefix |
| WGQ | Unassigned Prefix |
| WGR | Wellmark BCBS |
| WGS | Unassigned Prefix |
| WGT | BCBS of Western New York |
| WGU | Unassigned Prefix |
| WGV | Anthem Blue Cross of California |
| WGW | Anthem |
| WGX | Unassigned Prefix |
| WGY | Carefirst BCBS of Maryland |
| WGZ | Unassigned Prefix |
| WHA | Anthem |
| WHB | Unassigned Prefix |
| WHC | BCBS of Michigan |
| WHD | BCBS of Michigan |
| WHG | Highmark BCBS |
| WHH | Blue Shield of California |
| WHI | Anthem |
| WHJ | Unassigned Prefix |
| WHK | BCBS of Louisiana |
| WHL | BCBS of Western New York |
| WHM | Anthem |
| WHN | BCBS of Michigan |
| WHO | BCBS of Michigan |
| WHP | Carefirst BCBS of Maryland |
| WHQ | Unassigned Prefix |
| WHR | Highmark BCBS |
| WHS | Unassigned Prefix |
| WHU | Wellmark BCBS |
| WHV | Independence Blue Cross |
| WHW | BCBS of Minnesota |
| WHX | BCBS of Massachusetts |
| WHY | Unassigned Prefix |
| WHZ | Unassigned Prefix |
| WIA | Anthem BCBS of Virginia |
| WIB | BCBS of South Carolina |
| WIC | Capital Blue Cross |
| WIE | BCBS of Arkansas Blue Advantage |
| WIG | Anthem Central Region (OH, IN, KY) |
| WIH | Premera Blue Cross |
| WII | BCBS of Alabama |
| WIJ | BCBS of Georgia |
| WIL | Unassigned Prefix |
| WIN | Wellmark BCBS |
| WIQ | Independence Blue Cross |
| WIR | BCBS of Michigan |
| WIT | BCBS of Michigan |
| WIU | Anthem Central Region (OH, IN, KY) |
| WIV | Independence Blue Cross |
| WIW | BCBS of Georgia |
| WIX | Unassigned Prefix |
| WIY | Unassigned Prefix |
| WIZ | Regence Blue Cross Blue Shield of Oregon |
| WJA | Premera Blue Cross |
| WJC | Carefirst BCBS of Maryland |
| WJD | Unassigned Prefix |
| WJE | BCBS of Georgia |
| WJF | Unassigned Prefix |
| WJG | BCBS of Massachusetts |
| WJH | Carefirst Administrators |
| WJJ | Carefirst Administrators |
| WJK | Capital Blue Cross |
| WJL | BCBS of Nebraska |
| WJM | Wellmark BCBS |
| WJN | BCBS of South Carolina |
| WJO | Unassigned Prefix |
| WJP | Anthem Central Region (OH, IN, KY) |
| WJQ | Unassigned Prefix |
| WJR | Anthem BCBS of Virginia |
| WJS | Anthem Central Region (OH, IN, KY) |
| WJT | Unassigned Prefix |
| WJU | Wellmark BCBS |
| WJV | Unassigned Prefix |
| WJW | Unassigned Prefix |
| WJX | Unassigned Prefix |
| WJY | BCBS of Illinois |
| WJZ | BCBS of Massachusetts |
| WKA | Anthem |
| WKB | Anthem Central Region (OH, IN, KY) |
| WKC | Capital Blue Cross |
| WKE | Unassigned Prefix |
| WKF | Unassigned Prefix |
| WKG | Anthem Central Region (OH, IN, KY) |
| WKH | Anthem Blue Cross of California |
| WKJ | Anthem Central Region (OH, IN, KY) |
| WKK | BCBS of Illinois |
| WKL | Premera Blue Cross |
| WKM | Empire BCBS of New York |
| WKN | Empire BCBS of New York |
| WKO | BCBS of Alabama |
| WKP | Capital Blue Cross |
| WKQ | Carefirst Administrators |
| WKR | Unassigned Prefix |
| WKS | BCBS of Massachusetts |
| WKT | Anthem |
| WKU | Anthem Central Region (OH, IN, KY) |
| WKV | Anthem Central Region (OH, IN, KY) |
| WKW | BCBS of Massachusetts |
| WKX | Unassigned Prefix |
| WKY | Unassigned Prefix |
| WKZ | Anthem Central Region (OH, IN, KY) |
| WLA | BCBS of Delaware |
| WLB | BCBS of South Carolina |
| WLC | BCBS of Illinois |
| WLD | Blue Shield of California |
| WLE | Unassigned Prefix |
| WLF | Unassigned Prefix |
| WLG | Unassigned Prefix |
| WLH | Blue Shield of California |
| WLI | Unassigned Prefix |
| WLJ | Premera Blue Cross |
| WLK | Blue Cross of Idaho |
| WLL | BCBS of Illinois |
| WLM | BCBS of Illinois |
| WLN | BCBS of Delaware |
| WLO | BCBS of Kansas City |
| WLP | Anthem Blue Cross of California |
| WLQ | Wellmark BCBS |
| WLS | BCBS of Alabama |
| WLT | Wellmark BCBS |
| WLU | Anthem Central Region (OH, IN, KY) |
| WLV | BCBS of Alabama |
| WLW | Unassigned Prefix |
| WLX | Wellmark BCBS |
| WLY | Wellmark BCBS |
| WLZ | BCBS of Delaware |
| WMA | Wellmark BCBS |
| WMB | BCBS of Arkansas Blue Advantage |
| WMC | BCBS of Minnesota |
| WMD | BCBS of Minnesota |
| WMG | Anthem Blue Cross of California |
| WMH | Blue Cross of Northeast Pennsylvania |
| WMI | BCBS of Michigan |
| WMJ | BCBS of Arkansas Blue Advantage |
| WMK | Unassigned Prefix |
| WML | Anthem |
| WMM | BCBS of Minnesota |
| WMN | Unassigned Prefix |
| WMO | Unassigned Prefix |
| WMP | BCBS of Minnesota |
| WMQ | Capital Blue Cross |
| WMR | Anthem |
| WMS | Anthem |
| WMT | Anthem Blue Cross of California |
| WMU | BCBS of Texas |
| WMV | Unassigned Prefix |
| WMW | BCBS of Arkansas Blue Advantage |
| WMX | Anthem |
| WMY | BCBS of Arkansas Blue Advantage |
| WMZ | Anthem |
| WNA | Anthem |
| WNB | Unassigned Prefix |
| WNC | BCBS of Alabama |
| WND | Excellus BCBS of New York |
| WNE | Premera Blue Cross |
| WNF | Highmark BCBS |
| WNG | Anthem Central Region (OH, IN, KY) |
| WNH | Unassigned Prefix |
| WNI | Unassigned Prefix |
| WNJ | Anthem Central Region (OH, IN, KY) |
| WNK | BCBS of Arkansas Blue Advantage |
| WNL | Unassigned Prefix |
| WNM | BCBS of Western New York |
| WNN | BCBS of Illinois |
| WNP | Anthem Blue Cross of California |
| WNQ | BCBS of Michigan |
| WNS | BCBS of Illinois |
| WNT | Unassigned Prefix |
| WNU | BCBS of Massachusetts |
| WNV | Unassigned Prefix |
| WNW | Unassigned Prefix |
| WNX | Unassigned Prefix |
| WNY | BCBS of Illinois |
| WOA | Anthem Blue Cross of California |
| WOB | Premera Blue Cross |
| WOC | Carefirst Administrators |
| WOH | Blue Cross of Northeast Pennsylvania |
| WOI | Unassigned Prefix |
| WOJ | BCBS of Arkansas Blue Advantage |
| WOK | BCBS of South Carolina |
| WOL | Unassigned Prefix |
| WOM | Unassigned Prefix |
| WON | Unassigned Prefix |
| WOO | Unassigned Prefix |
| WOP | BCBS of Michigan |
| WOQ | BCBS of Michigan |
| WOS | Anthem |
| WOS | Anthem BCBS of Nevada |
| WOT | BCBS of Michigan |
| WOU | Wellmark BCBS |
| WOV | Anthem Blue Cross of California |
| WOW | Premera Blue Cross |
| WOX | Anthem Blue Cross of California |
| WOZ | Anthem BCBS of Colorado |
| WPA | Unassigned Prefix |
| WPB | Capital Blue Cross |
| WPC | Anthem Blue Cross of California |
| WPD | Anthem Central Region (OH, IN, KY) |
| WPE | Anthem |
| WPF | Unassigned Prefix |
| WPG | Carefirst BCBS of Maryland |
| WPH | Unassigned Prefix |
| WPI | BCBS of Michigan |
| WPJ | Anthem Central Region (OH, IN, KY) |
| WPK | Anthem Blue Cross of California |
| WPL | Anthem |
| WPM | Anthem |
| WPN | Anthem |
| WPO | BCBS of Michigan |
| WPP | Anthem Blue Cross of California |
| WPQ | Anthem BCBS of Colorado |
| WPR | Empire BCBS of New York |
| WPS | BCBS of Arkansas Blue Advantage |
| WPT | Wellmark BCBS |
| WPU | Anthem Blue Cross of California |
| WPV | Anthem Blue Cross of California |
| WPW | Anthem Central Region (OH, IN, KY) |
| WPX | Anthem Blue Cross of California |
| WPY | Anthem Blue Cross of California |
| WPZ | Wellmark BCBS |
| WQA | Unassigned Prefix |
| WQB | Independence Blue Cross |
| WQC | BCBS of Rhose Island |
| WQD | BCBS of Western New York |
| WQE | Highmark BCBS |
| WQF | Anthem BCBS of Virginia |
| WQG | Unassigned Prefix |
| WQH | Unassigned Prefix |
| WQJ | BCBS of Western New York |
| WQK | BCBS of Western New York |
| WQL | Unassigned Prefix |
| WQN | BCBS of Illinois |
| WQP | Anthem Central Region (OH, IN, KY) |
| WQQ | BCBS of Western New York |
| WQR | Highmark BCBS |
| WQS | Unassigned Prefix |
| WQT | BCBS of South Carolina |
| WQU | Anthem Central Region (OH, IN, KY) |
| WQV | Unassigned Prefix |
| WQW | BCBS of Florida |
| WQX | Blue Shield of California |
| WQY | Unassigned Prefix |
| WQZ | BCBS of North Carolina |
| WRA | Wellmark BCBS |
| WRC | Horizon BCBS of New Jersey |
| WRD | Blue Shield of Northeastern New York |
| WRE | Blue Cross of Idaho |
| WRF | Unassigned Prefix |
| WRG | Unassigned Prefix |
| WRH | Anthem |
| WRI | BCBS of Alabama |
| WRJ | BCBS of South Carolina |
| WRK | BCBS of Rhose Island |
| WRL | Regence Blue Cross Blue Shield of Utah |
| WRM | Highmark BCBS |
| WRN | Unassigned Prefix |
| WRP | Unassigned Prefix |
| WRQ | Unassigned Prefix |
| WRR | BCBS of Western New York |
| WRS | Anthem Blue Cross of California |
| WRT | Blue Cross of Idaho |
| WRU | Wellmark BCBS |
| WRV | BCBS of Alabama |
| WRW | BCBS of Rhose Island |
| WRX | Anthem Blue Cross of California |
| WRY | Unassigned Prefix |
| WRZ | Unassigned Prefix |
| WSA | Empire BCBS of New York |
| WSB | BCBS of Minnesota |
| WSC | BCBS of Illinois |
| WSD | Anthem |
| WSE | BCBS of Arizona |
| WSF | Unassigned Prefix |
| WSG | Blue Shield of California |
| WSH | Highmark BCBS |
| WSI | Carefirst BCBS of Maryland |
| WSJ | Anthem Blue Cross of California |
| WSK | Anthem BCBS of Nevada |
| WSL | Wellmark BCBS |
| WSM | Anthem Central Region (OH, IN, KY) |
| WSN | Anthem Blue Cross of California |
| WSO | Unassigned Prefix |
| WSP | Anthem Central Region (OH, IN, KY) |
| WSQ | BCBS of Massachusetts |
| WSR | Anthem |
| WSR | Anthem BCBS of Colorado |
| WSS | BCBS of Western New York |
| WSU | Wellmark BCBS |
| WSV | Wellmark BCBS |
| WSW | BCBS of Illinois |
| WSX | BCBS of Minnesota |
| WSY | Anthem Central Region (OH, IN, KY) |
| WSZ | BCBS of Illinois |
| WTA | Anthem |
| WTB | Wellmark BCBS |
| WTC | Unassigned Prefix |
| WTD | BCBS of Western New York |
| WTE | BCBS of Illinois |
| WTF | BCBS of Nebraska |
| WTG | Regence BCBS of Oregon |
| WTH | BCBS of Illinois |
| WTI | Anthem BCBS of Virginia |
| WTJ | Unassigned Prefix |
| WTK | Anthem Blue Cross of California |
| WTL | Anthem |
| WTM | BCBS of Illinois |
| WTN | Wellmark BCBS |
| WTO | BCBS of Arkansas Blue Advantage |
| WTP | Carefirst BCBS of Maryland |
| WTQ | BCBS of Alabama |
| WTR | BCBS of Illinois |
| WTS | Unassigned Prefix |
| WTT | Unassigned Prefix |
| WTU | Premera Blue Cross |
| WTV | Premera Blue Cross |
| WTW | Unassigned Prefix |
| WTX | Anthem |
| WTY | Anthem |
| WTZ | BCBS of Illinois |
| WUA | Unassigned Prefix |
| WUB | BCBS of Texas |
| WUC | Empire BCBS of New York |
| WUD | Unassigned Prefix |
| WUE | Unassigned Prefix |
| WUF | Independence Blue Cross |
| WUH | Unassigned Prefix |
| WUJ | BCBS of Rhose Island |
| WUK | Anthem Central Region (OH, IN, KY) |
| WUL | Anthem |
| WUM | Highmark BCBS |
| WUN | BCBS of North Carolina |
| WUP | Anthem Blue Cross of California |
| WUQ | Wellmark BCBS |
| WUR | Horizon BCBS of New Jersey |
| WUT | Unassigned Prefix |
| WUU | BCBS of South Carolina |
| WUV | Unassigned Prefix |
| WUW | Anthem Blue Cross of California |
| WUX | Anthem Central Region (OH, IN, KY) |
| WUY | Blue Cross of Idaho |
| WUZ | Anthem Central Region (OH, IN, KY) |
| WVA | Blue Cross of Idaho |
| WVC | Anthem |
| WVD | BCBS of South Carolina |
| WVE | BCBS of Illinois |
| WVG | BCBS of South Carolina |
| WVH | Unassigned Prefix |
| WVI | Unassigned Prefix |
| WVJ | BCBS of Georgia |
| WVK | Unassigned Prefix |
| WVM | BCBS of Michigan |
| WVN | Anthem Blue Cross of California |
| WVO | BCBS of Arkansas Blue Advantage |
| WVP | Carefirst Administrators |
| WVQ | Unassigned Prefix |
| WVR | Unassigned Prefix |
| WVS | Unassigned Prefix |
| WVT | Highmark BCBS |
| WVU | Unassigned Prefix |
| WVV | Unassigned Prefix |
| WVW | Unassigned Prefix |
| WVX | Anthem BCBS of Virginia |
| WVY | Anthem BCBS of Colorado |
| WVZ | Wellmark BCBS |
| WWA | Empire BCBS of New York |
| WWB | BCBS of Massachusetts |
| WWD | Regence Blue Cross Blue Shield of Oregon |
| WWE | Unassigned Prefix |
| WWF | BCBS of Illinois |
| WWG | BCBS of Alabama |
| WWH | BCBS of Texas |
| WWI | Premera Blue Cross |
| WWJ | Anthem Central Region (OH, IN, KY) |
| WWM | Premera Blue Cross |
| WWN | BCBS of Nebraska |
| WWO | Carefirst BCBS of Maryland |
| WWP | Anthem Blue Cross of California |
| WWQ | Anthem |
| WWR | Wellmark BCBS |
| WWS | Anthem Blue Cross of California |
| WWT | Carefirst BCBS of Maryland |
| WWU | Unassigned Prefix |
| WWV | Unassigned Prefix |
| WWX | Carefirst BCBS of Maryland |
| WWY | Unassigned Prefix |
| WWZ | BCBS of Michigan |
| WXA | Premera Blue Cross |
| WXB | Unassigned Prefix |
| WXC | Unassigned Prefix |
| WXD | Unassigned Prefix |
| WXE | Unassigned Prefix |
| WXF | Unassigned Prefix |
| WXH | BCBS of South Carolina |
| WXI | Unassigned Prefix |
| WXJ | Unassigned Prefix |
| WXK | Wellmark BCBS |
| WXL | BCBS of Minnesota |
| WXM | Highmark BCBS |
| WXN | BCBS of Illinois |
| WXP | Unassigned Prefix |
| WXR | Unassigned Prefix |
| WXS | BCBS of Tennessee |
| WXT | Blue Shield of California |
| WXU | Unassigned Prefix |
| WXV | BCBS of Michigan |
| WXW | Blue Shield of California |
| WXX | Unassigned Prefix |
| WXY | Anthem Blue Cross of California |
| WXZ | BCBS of South Carolina |
| WYA | Unassigned Prefix |
| WYB | BCBS of Illinois |
| WYC | Anthem Blue Cross of California |
| WYD | Anthem BCBS of Virginia |
| WYE | Horizon BCBS of New Jersey |
| WYF | Wellmark BCBS |
| WYG | Unassigned Prefix |
| WYH | Unassigned Prefix |
| WYI | BCBS of Michigan |
| WYJ | Anthem BCBS of Virginia |
| WYK | Anthem BCBS of Virginia |
| WYL | Anthem Blue Cross of California |
| WYM | Unassigned Prefix |
| WYN | Unassigned Prefix |
| WYO | BCBS of Michigan |
| WYP | Premera Blue Cross |
| WYQ | Anthem BCBS of Virginia |
| WYR | BCBS of Arkansas Blue Advantage |
| WYS | BCBS of Alabama |
| WYT | Carefirst BCBS of Maryland |
| WYU | BCBS of Illinois |
| WYV | Regence BCBS of Washington |
| WYW | Unassigned Prefix |
| WYX | Unassigned Prefix |
| WYY | BCBS of Oklahoma |
| WYZ | BCBS of South Carolina |
| WZA | Unassigned Prefix |
| WZB | Anthem Central Region (OH, IN, KY) |
| WZC | Wellmark BCBS |
| WZD | Anthem Central Region (OH, IN, KY) |
| WZF | Unassigned Prefix |
| WZH | Premera Blue Cross |
| WZJ | Unassigned Prefix |
| WZK | Regence BCBS of Washington |
| WZL | Anthem Central Region (OH, IN, KY) |
| WZM | Anthem Central Region (OH, IN, KY) |
| WZN | Wellmark BCBS |
| WZP | Anthem Central Region (OH, IN, KY) |
| WZQ | Regence BCBS of Washington |
| WZR | Anthem |
| WZS | Anthem |
| WZT | Anthem BCBS of Colorado |
| WZU | Anthem Central Region (OH, IN, KY) |
| WZV | Unassigned Prefix |
| WZW | BCBS of South Carolina |
| WZX | Wellmark BCBS |
| WZY | Anthem Central Region (OH, IN, KY) |
| WZZ | BCBS of Minnesota |