| Prefix | Plan Name | Phone Number |
|---|---|---|
| Y2A | Blue Cross Blue Shield of Illinois | |
| Y2M | Blue Cross Blue Shield of Nebraska | |
| YAA | Anthem BCBS of Connecticut | |
| YAB | Regence Blue Cross Blue Shield of Oregon | |
| YAC | Anthem BCBS of Kentucky | |
| YAD | Blue Cross Blue Shield of Rhode Island | |
| YAE | Anthem BCBS of Virginia | |
| YAF | Anthem BCBS of Colorado | |
| YAG | BCBS of Mississippi | |
| YAH | Anthem BCBS of Connecticut | |
| YAI | BCBS of Mississippi | |
| YAJ | Blue Cross Blue Shield of Alabama | |
| YAK | Blue Cross of California | |
| YAL | Regence Blue Cross Blue Shield of Oregon | |
| YAM | Blue Shield of California | |
| YAN | Blue Cross of California | |
| YAO | Blue Cross Blue Shield of Mississippi | |
| YAP | Blue Cross Blue Shield of Minnesota | |
| YAQ | BCBS of Mississippi | |
| YAR | Blue Cross Blue Shield of Massachusetts | |
| YAS | BCBS of Mississippi | |
| YAT | Blue Shield of California | |
| YAU | BCBS of Mississippi | |
| YAV | Blue Cross Blue Shield of Tennessee Commercial | |
| YAW | Blue Cross of California | |
| YAX | BCBS of Mississippi | |
| YAY | Wellmark BCBS | |
| YAZ | Empire Blue Cross Blue Shield | |
| YBA | BCBS of Kansas City | |
| YBB | BCBS of Kansas City | |
| YBC | BCBS of Kansas City | |
| YBD | BCBS of Kansas City | |
| YBE | BCBS of Kansas City | |
| YBF | BCBS of Kansas City | |
| YBG | BCBS of Kansas City | |
| YBH | BCBS of Kansas City | |
| YBI | Anthem BCBS of Missouri | |
| YBJ | BCBS of Kansas City | |
| YBK | Anthem BCBS of Ohio | |
| YBL | Anthem BCBS of Kentucky | |
| YBM | BCBS of Kansas City | |
| YBN | Empire Blue Cross Blue Shield | |
| YBO | Blue Cross Blue Shield of Massachusetts | |
| YBP | BCBS of Kansas City | |
| YBQ | Blue Cross of California | |
| YBR | Blue Shield of California | |
| YBS | BCBS of Kansas City | |
| YBT | BCBS of Kansas City | |
| YBU | BCBS of Kansas City | |
| YBV | Empire Blue Cross Blue Shield | |
| YBW | BCBS of Kansas City | |
| YBX | BCBS of Kansas City | |
| YBY | Blue Cross Blue Shield of Minnesota | |
| YBZ | BCBS of Kansas City | |
| YCA | Anthem BCBS of Missouri | |
| YCB | Anthem BCBS of Missouri | |
| YCC | Anthem BCBS of Missouri | |
| YCD | Anthem BCBS of Missouri | |
| YCE | Anthem BCBS of Missouri | |
| YCF | Anthem BCBS of Missouri | |
| YCG | Anthem BCBS of Missouri | |
| YCH | Unassigned Prefix | |
| YCI | Capital BlueCross | |
| YCJ | Anthem BCBS of Kentucky | |
| YCK | Anthem BCBS of Ohio | |
| YCL | Blue Cross of California | |
| YCM | Anthem BCBS of Wisconsin | |
| YCN | Wellmark BCBS | |
| YCO | Blue Cross Blue Shield of Minnesota | |
| YCP | Regence Blue Cross Blue Shield of Oregon | |
| YCQ | Anthem BCBS of Indiana | |
| YCR | Blue Cross Blue Shield of Massachusetts | |
| YCS | Anthem BCBS of Colorado | |
| YCT | Anthem BCBS of Connecticut | |
| YCU | Anthem BCBS of Missouri | |
| YCV | Anthem BCBS of Ohio | |
| YCW | Blue Cross of Idaho | |
| YCX | Blue Cross Blue Shield of Georgia | |
| YCY | Blue Cross of California | |
| YCZ | Empire Blue Cross Blue Shield | |
| YDA | Unassigned Prefix | |
| YDB | Blue Cross Blue Shield of Nebraska | |
| YDC | BCBS of Montana | |
| YDD | BCBS of Montana | |
| YDE | BCBS of Montana | |
| YDF | BCBS of Montana | |
| YDG | BCBS of Montana | |
| YDH | Blue Cross of California | |
| YDI | BCBS of Montana | |
| YDJ | BCBS of Montana | |
| YDK | BCBS of Montana | |
| YDL | BCBS of Montana | |
| YDM | BCBS of Illinois | |
| YDN | BCBS of Montana | |
| YDO | BCBS of Illinois | |
| YDP | Anthem BCBS of Kentucky | |
| YDQ | Anthem BCBS of Ohio | |
| YDR | BCBS of Montana | |
| YDS | Blue Cross Blue Shield of Montana | |
| YDT | BCBS of Montana |
| YDU | BCBS of Montana | |
| YDV | BCBS of Illinois | |
| YDW | Premera Blue Cross | |
| YDX | Blue Cross Blue Shield of Texas | |
| YDY | Empire Blue Cross Blue Shield | |
| YDZ | BCBS of Western New York | |
| YEA | Blue Cross Blue Shield of Nebraska | |
| YEB | Blue Shield of California | |
| YEC | Blue Cross Blue Shield of Massachusetts | |
| YED | BCBS of Nebraska | |
| YEE | Blue Shield of California | |
| YEF | BCBS of Nebraska | |
| YEG | BCBS of Nebraska | |
| YEH | BCBS of Nebraska | |
| YEI | Blue Cross Blue Shield of North Dakota | |
| YEJ | BCBS of Nebraska | |
| YEK | BCBS of Nebraska | |
| YEL | Blue Cross Blue Shield of Minnesota | |
| YEM | BCBS of Nebraska | |
| YEN | Unassigned Prefix | |
| YEO | Blue Cross Blue Shield of North Dakota | |
| YEP | Blue Cross Blue Shield of North Dakota | |
| YEQ | BCBS of Nebraska | |
| YER | Blue Cross Blue Shield of North Dakota | |
| YES | BCBS of Nebraska | |
| YET | Blue Cross Blue Shield of Illinois | |
| YEU | Anthem BCBS of Ohio | |
| YEV | Blue Shield of California | |
| YEW | Empire Blue Cross Blue Shield | |
| YEX | Anthem BCBS of Ohio | |
| YEY | Empire Blue Cross Blue Shield | |
| YEZ | BCBS of Nebraska | |
| YFA | Anthem BCBS of Nevada | |
| YFB | Anthem BCBS of Nevada | |
| YFC | Anthem BCBS of Nevada | |
| YFD | Anthem BCBS of Nevada | |
| YFE | Blue Cross Blue Shield of Illinois | |
| YFF | Anthem BCBS of Nevada | |
| YFG | Anthem BCBS of Nevada | |
| YFH | Anthem BCBS of Nevada | |
| YFI | Anthem BCBS of Nevada | |
| YFJ | Anthem BCBS of Nevada | |
| YFK | Anthem BCBS of Nevada | |
| YFL | Anthem BCBS of Nevada | |
| YFM | Unassigned Prefix | |
| YFN | Anthem BCBS of Nevada | |
| YFO | Anthem BCBS of Nevada | |
| YFP | Anthem BCBS of Nevada | |
| YFQ | Unassigned Prefix | |
| YFR | Anthem BCBS of Nevada | |
| YFS | Anthem BCBS of Ohio | |
| YFT | Anthem BCBS of Nevada | |
| YFU | Anthem BCBS of Nevada | |
| YFV | Anthem BCBS of Connecticut | |
| YFW | Anthem BCBS of Nevada | |
| YFX | Anthem BCBS of Nevada | |
| YFY | Anthem BCBS of Nevada | |
| YFZ | Anthem BCBS of Nevada | |
| YGA | Anthem BCBS of Hampshire | |
| YGB | Anthem BCBS of Hampshire | |
| YGC | Anthem BCBS of Hampshire | |
| YGD | Anthem BCBS of Hampshire | |
| YGE | Anthem BCBS of Hampshire | |
| YGF | Anthem BCBS of Hampshire | |
| YGG | Anthem BCBS of Hampshire | |
| YGH | Anthem BCBS of Hampshire | |
| YGI | Anthem BCBS of Hampshire | |
| YGJ | Anthem BCBS of Hampshire | |
| YGK | Anthem BCBS of Hampshire | |
| YGL | Anthem BCBS of Hampshire | |
| YGM | Anthem BCBS of Hampshire | |
| YGN | Anthem BCBS of Hampshire | |
| YGO | Anthem BCBS of Hampshire | |
| YGP | Anthem BCBS of Hampshire | |
| YGQ | Anthem BCBS of Hampshire | |
| YGR | Anthem BCBS of Hampshire | |
| YGS | Anthem BCBS of Hampshire | |
| YGT | Unassigned Prefix | |
| YGU | Anthem BCBS of Hampshire | |
| YGV | Anthem BCBS of Hampshire | |
| YGW | Anthem BCBS of Hampshire | |
| YGX | Anthem BCBS of Hampshire | |
| YGY | Blue Shield of California | |
| YGZ | Anthem BCBS of Georgia | |
| YHA | Horizon BCBS of New Jersey | |
| YHB | Horizon BCBS of New Jersey | |
| YHC | Unassigned Prefix | |
| YHD | Horizon BCBS of New Jersey | |
| YHE | Horizon BCBS of New Jersey | |
| YHF | Horizon BCBS of New Jersey | |
| YHG | Horizon BCBS of New Jersey | |
| YHH | Anthem BCBS of Connecticut | |
| YHI | Blue Cross Blue Shield of North Carolina | |
| YHJ | Anthem BCBS of Ohio | |
| YHK | Anthem BCBS of Ohio | |
| YHL | Horizon BCBS of New Jersey | |
| YHM | Horizon BCBS of New Jersey | |
| YHN | Horizon BCBS of New Jersey | |
| YHO | Horizon BCBS of New Jersey | |
| YHP | Horizon BCBS of New Jersey |
| YHQ | Horizon BCBS of New Jersey | |
| YHR | Horizon BCBS of New Jersey | |
| YHS | Horizon BCBS of New Jersey | |
| YHT | Empire Blue Cross Blue Shield | |
| YHU | Anthem BCBS of Ohio | |
| YHV | Anthem BCBS of Ohio | |
| YHW | Horizon BCBS of New Jersey | |
| YHX | Horizon BCBS of New Jersey | |
| YHY | Horizon BCBS of New Jersey | |
| YHZ | Horizon BCBS of New Jersey | |
| YIA | BCBS of New Mexico | |
| YIB | BCBS of New Mexico | |
| YIC | BCBS of New Mexico | |
| YID | BCBS of New Mexico | |
| YIE | BCBS of New Mexico | |
| YIF | BCBS of New Mexico | |
| YIG | BCBS of New Mexico | |
| YIH | BCBS of New Mexico | |
| YII | BCBS of New Mexico | |
| YIJ | BCBS of New Mexico | |
| YIK | BCBS of New Mexico | |
| YIL | BCBS of New Mexico | |
| YIM | BCBS of New Mexico | |
| YIN | BCBS of New Mexico | |
| YIO | BCBS of New Mexico | |
| YIP | BCBS of New Mexico | |
| YIQ | BCBS of New Mexico | |
| YIR | BCBS of New Mexico | |
| YIS | BCBS of New Mexico | |
| YIT | Blue Cross Blue Shield of New Mexico | |
| YIU | BCBS of New Mexico | |
| YIV | BCBS of New Mexico | |
| YIW | BCBS of New Mexico | |
| YIX | BCBS of New Mexico | |
| YIY | BCBS of New Mexico | |
| YIZ | BCBS of New Mexico | |
| YJA | BCBS of Western New York | |
| YJB | BCBS of Western New York | |
| YJC | BCBS of Western New York | |
| YJD | BCBS of Western New York | |
| YJE | BCBS of Western New York | |
| YJF | BCBS of Western New York | |
| YJG | BCBS of Western New York | |
| YJH | BCBS of Western New York | |
| YJI | CareFirst BCBS | |
| YJJ | BCBS of Western New York | |
| YJK | BCBS of Western New York | |
| YJL | BCBS of Western New York | |
| YJM | BCBS of Western New York | |
| YJN | BCBS of Western New York | |
| YJO | BCBS of Western New York | |
| YJP | BCBS of Western New York | |
| YJQ | BCBS of Western New York | |
| YJR | BCBS of Western New York | |
| YJS | BCBS of Western New York | |
| YJT | BCBS of Western New York | |
| YJU | BCBS of Western New York | |
| YJV | BCBS of Western New York | |
| YJW | BCBS of Western New York | |
| YJX | BCBS of Western New York | |
| YJY | BCBS of Western New York | |
| YJZ | BCBS of Western New York | |
| YKA | Horizon BCBS of New Jersey | |
| YKB | Horizon BCBS of New Jersey | |
| YKC | Horizon Blue Cross Blue Shield of New Jersey | |
| YKD | Horizon BCBS of New Jersey | |
| YKE | Horizon BCBS of New Jersey | |
| YKF | Horizon Blue Cross Blue Shield of New Jersey | |
| YKG | Horizon BCBS of New Jersey | |
| YKH | Horizon BCBS of New Jersey | |
| YKI | Horizon BCBS of New Jersey | |
| YKJ | Horizon BCBS of New Jersey | |
| YKK | Horizon BCBS of New Jersey | |
| YKL | Horizon BCBS of New Jersey | |
| YKM | Horizon BCBS of New Jersey | |
| YKN | Horizon BCBS of New Jersey | |
| YKO | Horizon BCBS of New Jersey | |
| YKP | Horizon BCBS of New Jersey | |
| YKQ | Horizon BCBS of New Jersey | |
| YKR | Horizon BCBS of New Jersey | |
| YKS | Horizon Blue Cross Blue Shield of New Jersey | |
| YKT | Horizon Blue Cross Blue Shield of New Jersey | |
| YKU | Horizon Blue Cross Blue Shield of New Jersey | |
| YKV | Blue Cross Blue Shield of Nebraska | |
| YKW | Anthem BCBS of Ohio | |
| YKX | Anthem BCBS of Ohio | |
| YKY | Blue Cross of California | |
| YKZ | Horizon Blue Cross Blue Shield of New Jersey | |
| YLA | Empire BCBS of New York | |
| YLB | Empire BCBS of New York | |
| YLC | Empire BCBS of New York | |
| YLD | Empire BCBS of New York | |
| YLE | Empire BCBS of New York | |
| YLF | Empire BCBS of New York | |
| YLG | Empire BCBS of New York | |
| YLH | Empire BCBS of New York | |
| YLI | Blue Cross Blue Shield of Michigan | |
| YLJ | Empire BCBS of New York | |
| YLK | Empire BCBS of New York | |
| YLL | Empire BCBS of New York |
| YLM | Empire BCBS of New York | |
| YLN | Empire BCBS of New York | |
| YLO | Empire BCBS of New York | |
| YLP | Empire BCBS of New York | |
| YLQ | Empire BCBS of New York | |
| YLR | Empire BCBS of New York | |
| YLS | Empire BCBS of New York | |
| YLT | Empire BCBS of New York | |
| YLU | Empire BCBS of New York | |
| YLV | Empire BCBS of New York | |
| YLW | Empire BCBS of New York | |
| YLX | Empire BCBS of New York | |
| YLY | Empire BCBS of New York | |
| YLZ | Empire BCBS of New York | |
| YMA | Blue Cross Blue Shield of Nebraska | |
| YMB | Blue Cross of Idaho | |
| YMC | Highmark BCBS of Pennsylvania | |
| YMD | Highmark BCBS of Pennsylvania | |
| YME | Highmark BCBS of Pennsylvania | |
| YMF | Blue Cross Blue Shield of Illinois | |
| YMG | Blue Cross Blue Shield of Minnesota | |
| YMH | Wellmark BCBS | |
| YMI | Anthem BCBS of Virginia | |
| YMJ | Premera Blue Cross | |
| YMK | Premera Blue Cross | |
| YML | Premera Blue Cross | |
| YMM | Empire Blue Cross Blue Shield | |
| YMN | Unassigned Prefix | |
| YMO | Blue Cross Blue Shield of Georgia | |
| YMP | Empire Blue Cross Blue Shield | |
| YMQ | Blue Cross of California | |
| YMR | CareFirst BCBS | |
| YMS | Blue Shield of California | |
| YMT | Blue Cross of Idaho | |
| YMU | Blue Cross of California | |
| YMV | Blue Cross of Idaho | |
| YMW | Anthem BCBS of Connecticut | |
| YMX | Premera Blue Cross | |
| YMY | Blue Cross of California | |
| YMZ | Blue Cross Blue Shield of Missouri | |
| YNA | Blue Shield of California | |
| YNB | Excellus BCBS | |
| YNC | Excellus BCBS | |
| YND | Excellus BCBS | |
| YNE | Excellus BCBS | |
| YNF | Blue Cross Blue Shield of Minnesota | |
| YNG | Excellus BCBS | |
| YNH | Excellus BCBS | |
| YNI | Excellus BCBS | |
| YNJ | Excellus BCBS | |
| YNK | Blue Cross Blue Shield of Illinois | |
| YNL | Excellus BCBS | |
| YNM | Excellus BCBS | |
| YNN | Blue Cross Blue Shield of Nebraska | |
| YNO | Highmark BCBS of Pennsylvania | |
| YNP | Blue Cross Blue Shield of Illinois | |
| YNQ | Blue Cross Blue Shield of Nebraska | |
| YNR | Blue Cross Blue Shield of North Dakota | |
| YNS | Excellus BCBS | |
| YNT | Premera Blue Cross | |
| YNU | Blue Cross Blue Shield of Illinois | |
| YNV | Blue Cross of California | |
| YNW | Blue Cross of California | |
| YNX | Blue Cross Blue Shield of Nebraska | |
| YNY | Horizon Blue Cross Blue Shield of New Jersey | |
| YNZ | Horizon Blue Cross Blue Shield of New Jersey | |
| YOA | Blue Shield of California | |
| YOB | BCBS of Western New York | |
| YOC | Blue Shield of California | |
| YOD | Highmark BCBS of Pennsylvania | |
| YOE | Blue Cross Blue Shield of Massachusetts | |
| YOF | Blue Cross Blue Shield of Massachusetts | |
| YOG | Blue Cross Blue Shield of Massachusetts | |
| YOH | Highmark BCBS of Pennsylvania | |
| YOI | Blue Cross Blue Shield of Massachusetts | |
| YOJ | Anthem BCBS of Wisconsin | |
| YOK | Blue Cross Blue Shield of Massachusetts | |
| YOL | Highmark BCBS of Pennsylvania | |
| YOM | Blue Cross Blue Shield of Massachusetts | |
| YON | Blue Cross Blue Shield of Massachusetts | |
| YOO | Blue Cross Blue Shield of Massachusetts | |
| YOP | Regence Blue Cross Blue Shield of Oregon | |
| YOQ | Anthem BCBS of Ohio | |
| YOR | Premera Blue Cross | |
| YOS | Anthem BCBS of Wisconsin | |
| YOT | Blue Cross Blue Shield of Rhode Island | |
| YOU | Blue Shield of California | |
| YOV | Highmark BCBS of Pennsylvania | |
| YOW | Blue Cross Blue Shield of Massachusetts | |
| YOX | CareFirst BCBS | |
| YOY | CareFirst BCBS | |
| YOZ | Blue Cross Blue Shield of Massachusetts | |
| YPA | BCBS of North Carolina | |
| YPB | BCBS of North Carolina | |
| YPC | Blue Cross Blue Shield of North Carolina | |
| YPD | BCBS of North Carolina | |
| YPE | BCBS of North Carolina | |
| YPF | BCBS of North Carolina | |
| YPG | BCBS of North Carolina | |
| YPH | BCBS of North Carolina |
| YPI | BCBS of North Carolina | |
| YPJ | BCBS of North Carolina | |
| YPK | BCBS of North Carolina | |
| YPL | BCBS of North Carolina | |
| YPM | BCBS of North Carolina | |
| YPN | BCBS of North Carolina | |
| YPO | BCBS of North Carolina | |
| YPP | BCBS of North Carolina | |
| YPQ | BCBS of North Carolina | |
| YPR | BCBS of North Carolina | |
| YPS | BCBS of North Carolina | |
| YPT | BCBS of North Carolina | |
| YPU | BCBS of North Carolina | |
| YPV | BCBS of North Carolina | |
| YPW | BCBS of North Carolina | |
| YPX | BCBS of North Carolina | |
| YPY | BCBS of North Carolina | |
| YPZ | BCBS of North Carolina | |
| YQA | BCBS of North Dakota | |
| YQB | BCBS of North Dakota | |
| YQC | BCBS of North Dakota | |
| YQD | Blue Cross Blue Shield of North Dakota | |
| YQE | BCBS of North Dakota | |
| YQF | Blue Cross Blue Shield of North Dakota | |
| YQG | BCBS of North Dakota | |
| YQH | Blue Cross Blue Shield of North Dakota | |
| YQI | BCBS of North Dakota | |
| YQJ | BCBS of North Dakota | |
| YQK | Blue Cross Blue Shield of North Dakota | |
| YQL | Blue Cross Blue Shield of North Dakota | |
| YQM | Blue Cross Blue Shield of North Dakota | |
| YQN | Blue Cross Blue Shield of North Dakota | |
| YQO | Blue Cross Blue Shield of North Dakota | |
| YQP | BCBS of North Dakota | |
| YQQ | BCBS of North Dakota | |
| YQR | Blue Cross Blue Shield of North Dakota | |
| YQS | Anthem BCBS of Missouri | |
| YQT | Blue Cross Blue Shield of North Dakota | |
| YQU | BCBS of North Dakota | |
| YQV | Blue Cross Blue Shield of North Dakota | |
| YQW | Blue Cross Blue Shield of North Dakota | |
| YQX | BCBS of Western New York | |
| YQY | Blue Cross Blue Shield of North Dakota | |
| YQZ | BCBS of Western New York | |
| YRA | Anthem BCBS of Ohio | |
| YRB | Anthem BCBS of Ohio | |
| YRC | Anthem BCBS of Virginia | |
| YRD | Anthem BCBS of Missouri | |
| YRE | Anthem BCBS of Ohio | |
| YRF | Anthem BCBS of Ohio | |
| YRG | Anthem BCBS of Ohio | |
| YRH | Anthem BCBS of Indiana | |
| YRI | Highmark BCBS of Pennsylvania | |
| YRJ | Anthem BCBS of Ohio | |
| YRK | Anthem BCBS of Indiana | |
| YRL | Anthem BCBS of Ohio | |
| YRM | Anthem BCBS of Ohio | |
| YRN | Anthem BCBS of Ohio | |
| YRO | Anthem BCBS of Ohio | |
| YRP | Anthem BCBS of Ohio | |
| YRQ | Anthem BCBS of Missouri | |
| YRR | Anthem BCBS of Ohio | |
| YRS | Anthem BCBS of Ohio | |
| YRT | Anthem BCBS of Ohio | |
| YRU | Anthem BCBS of Ohio | |
| YRV | Anthem BCBS of Virginia | |
| YRW | Anthem BCBS of Virginia | |
| YRX | Anthem BCBS of Ohio | |
| YRY | Anthem BCBS of Ohio | |
| YRZ | Anthem BCBS of Virginia | |
| YSA | Blue Cross of Idaho | |
| YSB | Blue Cross Blue Shield of Massachusetts | |
| YSC | Blue Cross Blue Shield of Minnesota | |
| YSD | Anthem BCBS of Wisconsin | |
| YSE | Blue Cross Blue Shield of Georgia | |
| YSF | Anthem BCBS of Ohio | |
| YSG | Blue Shield of California | |
| YSH | Blue Cross Blue Shield of Georgia | |
| YSI | Anthem BCBS of Ohio | |
| YSJ | Premera Blue Cross | |
| YSK | Blue Shield of California | |
| YSL | Premera Blue Cross | |
| YSM | Blue Cross Blue Shield of Alabama | |
| YSN | Blue Cross of California | |
| YSO | BCBS of Western New York | |
| YSP | Blue Cross of California | |
| YSQ | Blue Cross of California | |
| YSR | Blue Cross Blue Shield of Texas | |
| YSS | BCBS of Massachusetts | |
| YST | Unassigned Prefix | |
| YSU | Blue Cross Blue Shield of Georgia | |
| YSV | Anthem BCBS of Virginia | |
| YSW | Blue Cross of Idaho | |
| YSX | Blue Cross Blue Shield of Rhode Island | |
| YSY | Anthem BCBS of Ohio | |
| YSZ | Anthem BCBS of Wisconsin | |
| YTA | Anthem BCBS of Virginia | |
| YTB | Anthem BCBS of Virginia | |
| YTC | Anthem BCBS of Virginia | |
| YTD | Anthem BCBS of Virginia |
| YTE | Anthem BCBS of Virginia | |
| YTF | Anthem BCBS of Virginia | |
| YTG | Anthem BCBS of Virginia | |
| YTH | Anthem BCBS of Virginia | |
| YTI | Anthem BCBS of Virginia | |
| YTJ | Anthem BCBS of Virginia | |
| YTK | Anthem BCBS of Virginia | |
| YTL | Anthem BCBS of Virginia | |
| YTM | Anthem BCBS of Virginia | |
| YTN | Anthem BCBS of Virginia | |
| YTO | Anthem BCBS of Virginia | |
| YTP | Anthem BCBS of Virginia | |
| YTQ | Anthem BCBS of Virginia | |
| YTR | Anthem BCBS of Virginia | |
| YTS | Anthem BCBS of Virginia | |
| YTT | Anthem BCBS of Virginia | |
| YTU | Anthem BCBS of Virginia | |
| YTV | Anthem BCBS of Virginia | |
| YTW | Anthem BCBS of Virginia | |
| YTX | Anthem BCBS of Virginia | |
| YTY | Anthem BCBS of Virginia | |
| YTZ | Anthem BCBS of Virginia | |
| YUA | BCBS of Oklahoma | |
| YUB | BCBS of Oklahoma | |
| YUC | BCBS of Oklahoma | |
| YUD | BCBS of New Mexico | |
| YUE | BCBS of Oklahoma | |
| YUF | BCBS of Oklahoma | |
| YUG | BCBS of Oklahoma | |
| YUH | BCBS of Oklahoma | |
| YUI | BCBS of Oklahoma | |
| YUJ | BCBS of Oklahoma | |
| YUK | BCBS of Oklahoma | |
| YUL | BCBS of Oklahoma | |
| YUM | BCBS of Oklahoma | |
| YUN | BCBS of Oklahoma | |
| YUO | BCBS of Oklahoma | |
| YUP | BCBS of Oklahoma | |
| YUQ | BCBS of Oklahoma | |
| YUR | BCBS of Oklahoma | |
| YUS | BCBS of Oklahoma | |
| YUT | BCBS of New Mexico | |
| YUU | BCBS of Oklahoma | |
| YUV | Blue Cross Blue Shield of Illinois | |
| YUW | Blue Cross Blue Shield of Oklahoma | |
| YUX | BCBS of Oklahoma | |
| YUY | BCBS of Oklahoma | |
| YUZ | BCBS of Oklahoma | |
| YVA | Regence Blue Cross Blue Shield of Oregon | |
| YVB | Regence Blue Cross Blue Shield of Oregon | |
| YVC | Regence Blue Cross Blue Shield of Oregon | |
| YVD | Regence Blue Cross Blue Shield of Utah | |
| YVE | Anthem BCBS of Virginia | |
| YVF | Regence Blue Cross Blue Shield of Oregon | |
| YVG | Regence Blue Cross Blue Shield of Oregon | |
| YVH | Regence BCBS of Oregon | |
| YVI | Capital BlueCross | |
| YVJ | Anthem BCBS of Virginia | |
| YVK | Anthem BCBS of Indiana | |
| YVL | Regence BCBS of Oregon | |
| YVM | Regence BCBS of Oregon | |
| YVN | Regence Blue Cross Blue Shield of Oregon | |
| YVO | Regence Blue Cross Blue Shield of Oregon | |
| YVP | Regence Blue Cross Blue Shield of Oregon | |
| YVQ | Regence Blue Cross Blue Shield of Oregon | |
| YVR | Regence Blue Cross Blue Shield of Oregon | |
| YVS | Regence Blue Cross Blue Shield of Oregon | |
| YVT | Regence Blue Cross Blue Shield of Oregon | |
| YVU | Regence Blue Cross Blue Shield of Utah | |
| YVV | Regence Blue Cross Blue Shield of Oregon | |
| YVW | Regence Blue Cross Blue Shield of Oregon | |
| YVX | Regence BCBS of Oregon | |
| YVY | Anthem BCBS of Connecticut | |
| YVZ | Regence Blue Cross Blue Shield of Oregon | |
| YWA | Capital Blue Cross | |
| YWB | Capital Blue Cross | |
| YWC | Capital Blue Cross | |
| YWD | Capital Blue Cross | |
| YWE | Capital Blue Cross | |
| YWF | Capital Blue Cross | |
| YWG | Capital Blue Cross | |
| YWH | Capital BlueCross | |
| YWI | Blue Cross Blue Shield of Wisconsin | |
| YWJ | Capital Blue Cross | |
| YWK | Capital Blue Cross | |
| YWL | Anthem BCBS of Ohio | |
| YWM | Capital Blue Cross | |
| YWN | Capital Blue Cross | |
| YWO | Anthem BCBS of Ohio | |
| YWP | Capital Blue Cross | |
| YWQ | Anthem BCBS of Indiana | |
| YWR | Capital Blue Cross | |
| YWS | Capital Blue Cross | |
| YWT | Capital Blue Cross | |
| YWU | Anthem BCBS of Indiana | |
| YWV | Capital Blue Cross | |
| YWW | Capital Blue Cross | |
| YWX | Capital Blue Cross | |
| YWY | Blue Cross Blue Shield of Wyoming | |
| YWZ | Capital Blue Cross |
| YXA | Independence Blue Cross | |
| YXB | Independence Blue Cross | |
| YXC | Empire Blue Cross Blue Shield | |
| YXD | Empire Blue Cross Blue Shield | |
| YXE | Empire Blue Cross Blue Shield | |
| YXF | Independence Blue Cross | |
| YXG | Empire Blue Cross Blue Shield | |
| YXH | Anthem BCBS of Ohio | |
| YXI | Independence Blue Cross | |
| YXJ | Empire Blue Cross Blue Shield | |
| YXK | Independence Blue Cross | |
| YXL | Independence Blue Cross | |
| YXM | Independence Blue Cross | |
| YXN | Blue Cross Blue Shield of Nebraska | |
| YXO | Independence Blue Cross | |
| YXP | Independence Blue Cross | |
| YXQ | Independence Blue Cross | |
| YXR | Independence Blue Cross | |
| YXS | Empire Blue Cross Blue Shield | |
| YXT | Independence Blue Cross | |
| YXU | Independence Blue Cross | |
| YXV | BCBS of Florida | |
| YXW | Independence Blue Cross | |
| YXX | Independence Blue Cross FOC | |
| YXY | Independence Blue Cross FOC | |
| YXZ | Independence Blue Cross | |
| YYA | Highmark BCBS | |
| YYB | Highmark BCBS | |
| YYC | Highmark BCBS | |
| YYD | Highmark BCBS | |
| YYE | Highmark BCBS | |
| YYF | Highmark BCBS | |
| YYG | Highmark BCBS | |
| YYH | Highmark BCBS | |
| YYI | Highmark BCBS | |
| YYJ | Highmark BCBS | |
| YYK | Highmark BCBS | |
| YYL | Anthem BCBS of Connecticut | |
| YYM | Highmark BCBS | |
| YYN | Highmark BCBS | |
| YYO | Highmark BCBS of Pennsylvania | |
| YYP | Highmark BCBS | |
| YYQ | Highmark BCBS | |
| YYR | Highmark BCBS | |
| YYS | Highmark BCBS | |
| YYT | Highmark BCBS | |
| YYU | Highmark BCBS | |
| YYV | Highmark BCBS | |
| YYW | Highmark BCBS | |
| YYX | Highmark BCBS | |
| YYY | Horizon Blue Cross Blue Shield of New Jersey | |
| YYZ | Highmark BCBS | |
| YZA | Anthem BCBS of Kentucky | |
| YZB | Anthem BCBS of Colorado | |
| YZC | Blue Cross of California | |
| YZD | Anthem BCBS of Indiana | |
| YZE | Anthem BCBS of Kentucky | |
| YZF | Anthem BCBS of Kentucky | |
| YZG | Anthem BCBS of Kentucky | |
| YZH | Blue Cross of Northeast Pennsylvania | |
| YZI | Anthem BCBS of Ohio | |
| YZJ | Anthem BCBS of Kentucky | |
| YZK | Anthem BCBS of Connecticut | |
| YZL | Blue Cross Blue Shield of Nebraska | |
| YZM | Blue Cross of Northeast Pennsylvania | |
| YZN | Anthem BCBS of Nevada | |
| YZO | Anthem BCBS of Ohio | |
| YZP | Blue Cross Blue Shield of Rhode Island | |
| YZQ | Anthem BCBS of Ohio | |
| YZR | Blue Cross of Northeast Pennsylvania | |
| YZS | Anthem BCBS of Nevada | |
| YZT | Anthem BCBS of Nevada | |
| YZU | Blue Cross of California | |
| YZV | Anthem BCBS of Nevada | |
| YZW | BCBS of Western New York | |
| YZX | BCBS of Western New York | |
| YZY | Anthem BCBS of Ohio | |
| YZZ | Anthem BCBS of Kentucky |