| XAA | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAB | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAC | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAD | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAE | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAF | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAG | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAH | Arizona | Blue-Cross Blue-Shield of Arizona |
| XAI | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAJ | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAK | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAL | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAM | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAN | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| XAO | California | Blue-Shield of California |
| XAP | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAQ | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAR | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAS | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAT | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAU | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XAV | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAW | California | Anthem Blue-Cross |
| XAX | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAY | Alabama | Blue-Cross Blue-Shield of Alabama |
| XAZ | Alabama | Blue-Cross Blue-Shield of Alabama |
| XBA | - | Unallocated/Not Assigned |
| XBB | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBC | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBD | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBE | - | Unallocated/Not Assigned |
| XBF | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBG | - | Unallocated/Not Assigned |
| XBH | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBI | - | Unallocated/Not Assigned |
| XBJ | New York | Empire Blue-Cross Blue-Shield of New York |
| XBK | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBL | - | Unallocated/Not Assigned |
| XBM | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBN | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBO | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBP | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBQ | - | Unallocated/Not Assigned |
| XBR | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBS | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBT | - | Unallocated/Not Assigned |
| XBU | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBV | - | Unallocated/Not Assigned |
| XBW | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| XBX | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBY | Arizona | Blue-Cross Blue-Shield of Arizona |
| XBZ | - | Unallocated/Not Assigned |
| XCA | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCB | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCC | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCD | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XCE | - | Unallocated/Not Assigned |
| XCF | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCG | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCH | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XCJ | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCK | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCL | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCM | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCN | - | Unallocated/Not Assigned |
| XCO | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XCP | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCQ | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCR | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCS | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCT | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XCU | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCV | - | Unallocated/Not Assigned |
| XCW | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCX | Arkansas | Arkansas Blue-Cross Blue-Shield |
| XCY | - | Unallocated/Not Assigned |
| XCZ | - | Unallocated/Not Assigned |
| XDA | California | Anthem Blue-Cross |
| XDB | California | Anthem Blue-Cross |
| XDC | California | Anthem Blue-Cross |
| XDD | California | Anthem Blue-Cross |
| XDE | California | Anthem Blue-Cross |
| XDF | California | Anthem Blue-Cross |
| XDG | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| XDH | California | Anthem Blue-Cross |
| XDI | California | Anthem Blue-Cross |
| XDJ | California | Anthem Blue-Cross |
| XDK | California | Anthem Blue-Cross |
| XDL | California | Anthem Blue-Cross |
| XDM | California | Anthem Blue-Cross |
| XDN | California | Anthem Blue-Cross |
| XDO | California | Anthem Blue-Cross |
| XDP | California | Anthem Blue-Cross |
| XDQ | California | Anthem Blue-Cross |
| XDR | California | Anthem Blue-Cross |
| XDS | California | Anthem Blue-Cross |
| XDT | California | Anthem Blue-Cross |
| XDU | California | Anthem Blue-Cross |
| XDV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XDW | California | Anthem Blue-Cross |
| XDX | California | Anthem Blue-Cross |
| XDY | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XDZ | California | Anthem Blue-Cross |
| XEA | California | Blue-Shield of California |
| XEB | California | Blue-Shield of California |
| XEC | California | Blue-Shield of California |
| XED | California | Blue-Shield of California |
| XEE | California | Blue-Shield of California |
| XEF | California | Blue-Shield of California |
| XEG | California | Blue-Shield of California |
| XEH | California | Blue-Shield of California |
| XEI | California | Blue-Shield of California |
| XEJ | California | Blue-Shield of California |
| XEK | California | Blue-Shield of California |
| XEL | California | Blue-Shield of California |
| XEM | California | Blue-Shield of California |
| XEN | California | Blue-Shield of California |
| XEO | California | Blue-Shield of California |
| XEP | California | Blue-Shield of California |
| XEQ | California | Blue-Shield of California |
| XER | California | Blue-Shield of California |
| XES | California | Blue-Shield of California |
| XET | California | Blue-Shield of California |
| XEU | California | Blue-Shield of California |
| XEV | California | Blue-Shield of California |
| XEW | California | Blue-Shield of California |
| XEX | California | Blue-Shield of California |
| XEY | California | Blue-Shield of California |
| XEZ | California | Blue-Shield of California |
| XFA | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFB | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFC | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFD | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFE | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFF | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFG | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFH | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFI | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFJ | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFK | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFL | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFM | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFN | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFO | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFP | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFQ | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| XFR | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| XFS | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFT | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFU | California | Blue-Shield of California |
| XFV | - | Unallocated/Not Assigned |
| XFW | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFX | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFY | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XFZ | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XGA | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XGB | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGC | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGD | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGE | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGF | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGG | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGH | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGI | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGJ | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGK | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGL | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGM | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGN | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGO | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGP | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGQ | New York | Empire Blue-Cross Blue-Shield of New York |
| XGR | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGS | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGT | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGU | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| XGV | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGW | New York | Empire Blue-Cross Blue-Shield of New York |
| XGX | New York | Empire Blue-Cross Blue-Shield of New York |
| XGY | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XGZ | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XHA | Delaware | Highmark Blue-Cross Blue-Shield of Delaware |
| XHB | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XHC | Delaware | Highmark Blue-Cross Blue-Shield of Delaware |
| XHD | Delaware | Highmark Blue-Cross Blue-Shield of Delaware |
| XHE | - | Unallocated/Not Assigned |
| XHF | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XHG | Delaware | Highmark Blue-Cross Blue-Shield of Delaware |
| XHH | Delaware | Highmark Blue-Cross Blue-Shield of Delaware |
| XHI | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| XHJ | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XHK | Arizona | Blue-Cross Blue-Shield of Arizona |
| XHL | California | Anthem Blue-Cross |
| XHM | - | Unallocated/Not Assigned |
| XHN | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XHO | Idaho | Blue-Cross of Idaho |
| XHP | Delaware | Highmark Blue-Cross Blue-Shield of Delaware |
| XHQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| XHR | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XHS | Illinois | Blue-Cross Blue-Shield of Illinois |
| XHT | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| XHU | California | Blue-Shield of California |
| XHV | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| XHW | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XHX | California | Anthem Blue-Cross |
| XHY | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XHZ | New York | Empire Blue-Cross Blue-Shield of New York |
| XIA | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIB | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIC | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XID | Idaho | Blue-Cross of Idaho |
| XIE | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIF | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIG | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIH | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XII | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIJ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIK | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIL | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIN | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIO | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIP | California | Anthem Blue-Cross |
| XIQ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIR | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIS | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XIT | - | Unallocated/Not Assigned |
| XIU | - | Unallocated/Not Assigned |
| XIV | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| XIW | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XIX | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| XIY | - | Unallocated/Not Assigned |
| XIZ | - | Unallocated/Not Assigned |
| XJA | Florida | Florida-Blue |
| XJB | Florida | Florida-Blue |
| XJC | - | Unallocated/Not Assigned |
| XJD | Florida | Florida-Blue |
| XJE | Florida | Florida-Blue |
| XJF | Florida | Florida-Blue |
| XJG | Florida | Florida-Blue |
| XJH | Florida | Florida-Blue |
| XJI | Florida | Florida-Blue |
| XJJ | Florida | Florida-Blue |
| XJK | Florida | Florida-Blue |
| XJL | Florida | Florida-Blue |
| XJM | Florida | Florida-Blue |
| XJN | Florida | Florida-Blue |
| XJO | Florida | Florida-Blue |
| XJP | Florida | Florida-Blue |
| XJQ | Florida | Florida-Blue |
| XJR | Florida | Florida-Blue |
| XJS | Florida | Florida-Blue |
| XJT | Florida | Florida-Blue |
| XJU | Florida | Florida-Blue |
| XJV | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XJW | Florida | Florida-Blue |
| XJX | Florida | Florida-Blue |
| XJY | Florida | Florida-Blue |
| XJZ | Florida | Florida-Blue |
| XKA | - | Unallocated/Not Assigned |
| XKB | California | Blue-Shield of California |
| XKC | Illinois | Blue-Cross Blue-Shield of Illinois |
| XKD | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKE | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKF | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKG | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKH | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| XKI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKK | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKL | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKM | California | Anthem Blue-Cross |
| XKN | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKO | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKP | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKQ | California | Anthem Blue-Cross |
| XKR | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKS | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKT | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKU | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKV | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKW | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKX | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKY | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XKZ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XLA | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLB | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLC | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLD | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLE | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLF | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLG | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLH | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLI | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLJ | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XLK | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLL | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLM | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLN | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLO | California | Anthem Blue-Cross |
| XLP | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLQ | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLR | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLS | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| XLT | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLU | New York | Empire Blue-Cross Blue-Shield of New York |
| XLV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XLW | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLX | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLY | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XLZ | Hawaii | Blue-Cross Blue-Shield of Hawaii |
| XMA | Idaho | Blue-Cross of Idaho |
| XMB | Idaho | Blue-Cross of Idaho |
| XMC | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XMD | Idaho | Blue-Cross of Idaho |
| XME | Idaho | Blue-Cross of Idaho |
| XMF | Idaho | Blue-Cross of Idaho |
| XMG | Idaho | Blue-Cross of Idaho |
| XMH | Idaho | Blue-Cross of Idaho |
| XMI | Idaho | Blue-Cross of Idaho |
| XMJ | Idaho | Blue-Cross of Idaho |
| XMK | Idaho | Blue-Cross of Idaho |
| XML | Idaho | Blue-Cross of Idaho |
| XMM | Idaho | Blue-Cross of Idaho |
| XMN | Idaho | Blue-Cross of Idaho |
| XMO | Idaho | Blue-Cross of Idaho |
| XMP | Idaho | Blue-Cross of Idaho |
| XMQ | Idaho | Blue-Cross of Idaho |
| XMR | Idaho | Blue-Cross of Idaho |
| XMS | Idaho | Blue-Cross of Idaho |
| XMT | Idaho | Blue-Cross of Idaho |
| XMU | Idaho | Blue-Cross of Idaho |
| XMV | Idaho | Blue-Cross of Idaho |
| XMW | Illinois | Blue-Cross Blue-Shield of Illinois |
| XMX | Idaho | Blue-Cross of Idaho |
| XMY | Idaho | Blue-Cross of Idaho |
| XMZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XNA | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| XNB | Illinois | Blue-Cross Blue-Shield of Illinois |
| XNC | North Carolina | Blue-Cross Blue-Shield of North Carolina |
| XND | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNE | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNF | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNG | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| XNH | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNI | - | Unallocated/Not Assigned |
| XNJ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNK | California | Blue-Shield of California |
| XNL | California | Anthem Blue-Cross |
| XNM | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNN | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNO | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNP | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNQ | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| XNR | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNS | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| XNT | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNU | New York | Empire Blue-Cross Blue-Shield of New York |
| XNV | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XNW | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XNX | California | Anthem Blue-Cross |
| XNY | - | Unallocated/Not Assigned |
| XNZ | New York | Empire Blue-Cross Blue-Shield of New York |
| XOA | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOB | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOC | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOD | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOE | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOF | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOG | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOH | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOI | - | Unallocated/Not Assigned |
| XOJ | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOK | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOL | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOM | Illinois | Blue-Cross Blue-Shield of Illinois |
| XON | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOO | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOP | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOQ | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOR | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOS | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOT | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOU | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOV | - | Unallocated/Not Assigned |
| XOW | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOX | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOY | Illinois | Blue-Cross Blue-Shield of Illinois |
| XOZ | Illinois | Blue-Cross Blue-Shield of Illinois |
| XPA | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPB | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPC | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPD | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPE | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPF | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPG | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPH | - | Unallocated/Not Assigned |
| XPI | California | Blue-Shield of California |
| XPJ | - | Unallocated/Not Assigned |
| XPK | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPL | - | Unallocated/Not Assigned |
| XPM | - | Unallocated/Not Assigned |
| XPN | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XPO | Idaho | Blue-Cross of Idaho |
| XPP | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| XPQ | Idaho | Blue-Cross of Idaho |
| XPR | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPS | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XPT | - | Unallocated/Not Assigned |
| XPU | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPV | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPW | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPX | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XPY | - | Unallocated/Not Assigned |
| XPZ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XQA | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQC | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQD | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQE | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQF | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQI | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQJ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQK | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQL | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQM | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQN | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQO | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQP | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQQ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQR | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQT | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQU | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQW | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQX | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQY | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XQZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XRA | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XRB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XRC | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XRD | California | Blue-Shield of California |
| XRE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XRF | - | Unallocated/Not Assigned |
| XRG | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XRH | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XRI | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| XRJ | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XRK | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XRL | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XRM | Pennsylvania | Capital Blue-Cross of Pennsylvania |
| XRN | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XRO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XRP | California | Anthem Blue-Cross |
| XRQ | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XRR | California | Anthem Blue-Cross |
| XRS | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XRT | California | Blue-Shield of California |
| XRU | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XRV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XRW | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XRX | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XRY | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XRZ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XSA | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSB | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSC | - | Unallocated/Not Assigned |
| XSD | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSE | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSF | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSG | - | Unallocated/Not Assigned |
| XSH | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSI | - | Unallocated/Not Assigned |
| XSJ | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSK | - | Unallocated/Not Assigned |
| XSL | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSM | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSN | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSO | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| XSP | - | Unallocated/Not Assigned |
| XSQ | - | Unallocated/Not Assigned |
| XSR | - | Unallocated/Not Assigned |
| XSS | - | Unallocated/Not Assigned |
| XST | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSU | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XSV | Kansas | Blue-Cross Blue-Shield of Kansas |
| XSW | California | Blue-Shield of California |
| XSX | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XSY | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XSZ | Kansas | Blue-Cross Blue-Shield of Kansas |
| XTA | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTB | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTC | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTD | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTE | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTF | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTG | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTH | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTI | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTJ | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTK | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTL | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XTM | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XTN | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTO | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XTP | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XTQ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XTR | - | Unallocated/Not Assigned |
| XTS | California | Anthem Blue-Cross |
| XTT | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XTU | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XTV | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| XTW | Illinois | Blue-Cross Blue-Shield of Illinois |
| XTX | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XTY | Texas | Blue-Cross Blue-Shield of Texas |
| XTZ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XUA | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUB | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUC | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUD | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUE | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUF | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUG | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUH | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUI | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUJ | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUK | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUL | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUM | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUN | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUO | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XUP | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUQ | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUR | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUS | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUT | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUU | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUV | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUW | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUX | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUY | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| XUZ | - | Unallocated/Not Assigned |
| XVA | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVB | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVC | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVD | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| XVE | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVF | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVG | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVH | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVI | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVJ | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVK | - | Unallocated/Not Assigned |
| XVL | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVM | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVN | - | Unallocated/Not Assigned |
| XVO | - | Unallocated/Not Assigned |
| XVP | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVQ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| XVR | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVS | Illinois | Blue-Cross Blue-Shield of Illinois |
| XVT | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XVU | Illinois | Blue-Cross Blue-Shield of Illinois |
| XVV | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XVW | Maine | Anthem Blue-Cross Blue-Shield of Maine |
| XVX | - | Unallocated/Not Assigned |
| XVY | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| XVZ | - | Unallocated/Not Assigned |
| XWA | - | Unallocated/Not Assigned |
| XWB | - | Unallocated/Not Assigned |
| XWC | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XWD | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XWE | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| XWF | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| XWG | New York | Empire Blue-Cross Blue-Shield of New York |
| XWH | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| XWI | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XWJ | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XWK | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| XWL | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| XWM | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| XWN | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XWO | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XWP | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| XWQ | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XWR | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XWS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| XWT | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| XWU | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XWV | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XWW | - | Unallocated/Not Assigned |
| XWX | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| XWY | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XWZ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| XXA | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXB | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXC | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXD | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXE | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXF | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXG | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXH | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXJ | California | Anthem Blue-Cross |
| XXK | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXL | - | Unallocated/Not Assigned |
| XXM Blue Cross Prefix | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXN | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXO | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| XXP BCBS Prefix | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXQ | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXR | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXS | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXT | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXU BCBS Prefix | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXV | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXW | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXX | - | Unallocated/Not Assigned |
| XXY | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XXZ BCBS Prefix | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| XYA | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| XYB | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYC | Oklahoma | Blue-Cross Blue-Shield of Oklahoma |
| XYD | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYE | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYF | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYG | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYH | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYI | - | Unallocated/Not Assigned |
| XYJ | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYK | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYL BCBS Prefix | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYM | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| XYN | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XYO | California | Anthem Blue-Cross |
| XYP | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYQ | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYR | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYS | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYT | Illinois | Blue-Cross Blue-Shield of Illinois |
| XYU | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYV | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYW | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYX | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYY | Michigan | Blue-Cross Blue-Shield of Michigan |
| XYZ | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| XZA | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZB | - | Unallocated/Not Assigned |
| XZC | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZD | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZE | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZF | - | Unallocated/Not Assigned |
| XZG | - | Unallocated/Not Assigned |
| XZH | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZI | - | Unallocated/Not Assigned |
| XZJ | - | Unallocated/Not Assigned |
| XZK | - | Unallocated/Not Assigned |
| XZL | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZM | - | Unallocated/Not Assigned |
| XZN | - | Unallocated/Not Assigned |
| XZO | - | Unallocated/Not Assigned |
| XZP | - | Unallocated/Not Assigned |
| XZQ | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZR | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZS | - | Unallocated/Not Assigned |
| XZT | - | Unallocated/Not Assigned |
| XZU | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZV | - | Unallocated/Not Assigned |
| XZW | - | Unallocated/Not Assigned |
| XZX | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| XZY | - | Unallocated/Not Assigned |
| XZZ | - | Unallocated/Not Assigned |