| UAA | Michigan | Blue-Cross Blue-Shield of Michigan |
| UAB | Kansas City | Blue-Cross Blue-Shield of Kansas City |
| UAC | Michigan | Blue-Cross Blue-Shield of Michigan |
| UAD | - | Unallocated/Not Assigned |
| UAE | California | Blue-Shield of California |
| UAF | California | Blue-Shield of California |
| UAG | Texas | Blue-Cross Blue-Shield of Texas |
| UAH | Alabama | Blue-Cross Blue-Shield of Alabama |
| UAI | - | Unallocated/Not Assigned |
| UAJ | - | Unallocated/Not Assigned |
| UAK | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UAL BCBS Prefix | Illinois | Blue-Cross Blue-Shield of Illinois |
| UAM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UAN | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UAO | Michigan | Blue-Cross Blue-Shield of Michigan |
| UAP | - | Unallocated/Not Assigned |
| UAQ | California | Blue-Shield of California |
| UAR | Texas | Blue-Cross Blue-Shield of Texas |
| UAS | California | Anthem Blue-Cross |
| UAT | California | Anthem Blue-Cross |
| UAU | Michigan | Blue-Cross Blue-Shield of Michigan |
| UAV | California | Anthem Blue-Cross |
| UAW | Michigan | Blue-Cross Blue-Shield of Michigan |
| UAX | New York | Empire Blue-Cross Blue-Shield of New York |
| UAY | Michigan | Blue-Cross Blue-Shield of Michigan |
| UAZ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UBA | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UBB | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UBC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UBD | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UBE | - | Unallocated/Not Assigned |
| UBF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UBG | Michigan | Blue-Cross Blue-Shield of Michigan |
| UBH | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| UBI | - | Unallocated/Not Assigned |
| UBJ | - | Unallocated/Not Assigned |
| UBK | - | Unallocated/Not Assigned |
| UBL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UBM | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UBN | - | Unallocated/Not Assigned |
| UBO | California | Blue-Shield of California |
| UBP | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UBQ | - | Unallocated/Not Assigned |
| UBR | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| UBS | California | Blue-Shield of California |
| UBT | - | Unallocated/Not Assigned |
| UBU | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UBV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UBW | - | Unallocated/Not Assigned |
| UBX | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UBY | - | Unallocated/Not Assigned |
| UBZ | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UCA | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UCB | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UCC | Michigan | Blue-Cross Blue-Shield of Michigan |
| UCD | - | Unallocated/Not Assigned |
| UCE | Texas | Blue-Cross Blue-Shield of Texas |
| UCF | - | Unallocated/Not Assigned |
| UCG | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UCH | Kansas City | Blue-Cross Blue-Shield of Kansas City |
| UCI | Michigan | Blue-Cross Blue-Shield of Michigan |
| UCJ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UCK | Michigan | Blue-Cross Blue-Shield of Michigan |
| UCL | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| UCM | - | Unallocated/Not Assigned |
| UCN | Alabama | Blue-Cross Blue-Shield of Alabama |
| UCO | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UCP | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UCQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UCR BCBS Prefix | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UCS | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UCT | - | Unallocated/Not Assigned |
| UCU | - | Unallocated/Not Assigned |
| UCV | - | Unallocated/Not Assigned |
| UCW | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UCX | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UCY | - | Unallocated/Not Assigned |
| UCZ | - | Unallocated/Not Assigned |
| UDA | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UDB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UDC | Michigan | Blue-Cross Blue-Shield of Michigan |
| UDD | Michigan | Blue-Cross Blue-Shield of Michigan |
| UDE | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UDF | - | Unallocated/Not Assigned |
| UDG | - | Unallocated/Not Assigned |
| UDH | Illinois | Blue-Cross Blue-Shield of Illinois |
| UDI | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| UDJ | - | Unallocated/Not Assigned |
| UDK | - | Unallocated/Not Assigned |
| UDL | Illinois | Blue-Cross Blue-Shield of Illinois |
| UDM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UDN | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UDO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UDP | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UDQ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UDR | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UDS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UDT | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UDU | - | Unallocated/Not Assigned |
| UDV | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UDW | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UDX | Michigan | Blue-Cross Blue-Shield of Michigan |
| UDY | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UDZ | - | Unallocated/Not Assigned |
| UEA | Kansas City | Blue-Cross Blue-Shield of Kansas City |
| UEB | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UEC | California | Blue-Shield of California |
| UED | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UEE | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UEF | California | Blue-Shield of California |
| UEG | New York | Empire Blue-Cross Blue-Shield of New York |
| UEH | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UEI | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UEJ | Illinois | Blue-Cross Blue-Shield of Illinois |
| UEK | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UEL | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UEM | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UEN | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UEO | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UEP | - | Unallocated/Not Assigned |
| UEQ | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UER | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UES | New York | Empire Blue-Cross Blue-Shield of New York |
| UET | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UEU | - | Unallocated/Not Assigned |
| UEV | - | Unallocated/Not Assigned |
| UEW | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UEX | Texas | Blue-Cross Blue-Shield of Texas |
| UEY | - | Unallocated/Not Assigned |
| UEZ | Illinois | Blue-Cross Blue-Shield of Illinois |
| UFA | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| UFB | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFC | Illinois | Blue-Cross Blue-Shield of Illinois |
| UFD | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UFE | - | Unallocated/Not Assigned |
| UFF | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UFG | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFH | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UFJ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFK | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFL | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFM | - | Unallocated/Not Assigned |
| UFN | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UFO | - | Unallocated/Not Assigned |
| UFP | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UFQ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFR | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| UFS | Florida | Florida-Blue |
| UFT | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UFU | New York | Excellus Blue-Cross Blue-Shield of New York |
| UFV | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFW | Illinois | Blue-Cross Blue-Shield of Illinois |
| UFX | Michigan | Blue-Cross Blue-Shield of Michigan |
| UFY | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UFZ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UGA | Florida | Florida-Blue |
| UGB | California | Anthem Blue-Cross |
| UGC | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UGD BCBS Prefix | Michigan | Blue-Cross Blue-Shield of Michigan |
| UGE | - | Unallocated/Not Assigned |
| UGF | Michigan | Blue-Cross Blue-Shield of Michigan |
| UGG BCBS Prefix | Michigan | Blue-Cross Blue-Shield of Michigan |
| UGH | Michigan | Blue-Cross Blue-Shield of Michigan |
| UGI | - | Unallocated/Not Assigned |
| UGJ | California | Anthem Blue-Cross |
| UGK | California | Anthem Blue-Cross |
| UGL | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UGM | - | Unallocated/Not Assigned |
| UGN | Illinois | Blue-Cross Blue-Shield of Illinois |
| UGO | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UGP | Michigan | Blue-Cross Blue-Shield of Michigan |
| UGQ | Idaho | Blue-Cross of Idaho |
| UGR | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| UGS | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| UGT | Alabama | Blue-Cross Blue-Shield of Alabama |
| UGU | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UGV | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| UGW | California | Anthem Blue-Cross |
| UGX | Illinois | Blue-Cross Blue-Shield of Illinois |
| UGY | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UGZ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UHA | - | Unallocated/Not Assigned |
| UHB | - | Unallocated/Not Assigned |
| UHC | Michigan | Blue-Cross Blue-Shield of Michigan |
| UHD | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UHE | Arizona | Blue-Cross Blue-Shield of Arizona |
| UHF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UHG | - | Unallocated/Not Assigned |
| UHH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UHI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UHJ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UHK | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UHL | Arizona | Blue-Cross Blue-Shield of Arizona |
| UHM | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UHN | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UHO | Illinois | Blue-Cross Blue-Shield of Illinois |
| UHP | Alabama | Blue-Cross Blue-Shield of Alabama |
| UHQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UHR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UHS | Illinois | Blue-Cross Blue-Shield of Illinois |
| UHT | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UHU | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UHV | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UHW | Illinois | Blue-Cross Blue-Shield of Illinois |
| UHX | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| UHY | New York (Northeastern) | Blue-Shield of Northeastern New York |
| UHZ | New York (Northeastern) | Blue-Shield of Northeastern New York |
| UIA | - | Unallocated/Not Assigned |
| UIB | - | Unallocated/Not Assigned |
| UIC | Michigan | Blue-Cross Blue-Shield of Michigan |
| UID | Idaho | Blue-Cross of Idaho |
| UIE | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIF | Florida | Florida-Blue |
| UIG | New York | Excellus Blue-Cross Blue-Shield of New York |
| UIH | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UII | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UIK | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UIL | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIM | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UIN | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIO | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIP | California | Anthem Blue-Cross |
| UIQ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UIR | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIS | - | Unallocated/Not Assigned |
| UIT | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| UIU | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UIV | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UIW | Michigan | Blue-Cross Blue-Shield of Michigan |
| UIX | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UIY | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UIZ | - | Unallocated/Not Assigned |
| UJA | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UJB | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UJC | Illinois | Blue-Cross Blue-Shield of Illinois |
| UJD | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UJE | - | Unallocated/Not Assigned |
| UJF | Alabama | Blue-Cross Blue-Shield of Alabama |
| UJG | Oklahoma | Blue-Cross Blue-Shield of Oklahoma |
| UJH | Illinois | Blue-Cross Blue-Shield of Illinois |
| UJI | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UJJ | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UJK | - | Unallocated/Not Assigned |
| UJL | - | Unallocated/Not Assigned |
| UJM | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UJN | New Hampshire | Anthem Blue-Cross Blue-Shield of New Hampshire |
| UJO | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UJP | Illinois | Blue-Cross Blue-Shield of Illinois |
| UJQ | Texas | Blue-Cross Blue-Shield of Texas |
| UJR | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UJS | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UJT | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UJU | - | Unallocated/Not Assigned |
| UJV | - | Unallocated/Not Assigned |
| UJW | - | Unallocated/Not Assigned |
| UJX | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UJY | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UJZ | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UKA | - | Unallocated/Not Assigned |
| UKB | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UKC | Oklahoma | Blue-Cross Blue-Shield of Oklahoma |
| UKD | Oklahoma | Blue-Cross Blue-Shield of Oklahoma |
| UKE | California | Anthem Blue-Cross |
| UKF | - | Unallocated/Not Assigned |
| UKG | - | Unallocated/Not Assigned |
| UKH | New York | Empire Blue-Cross Blue-Shield of New York |
| UKI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UKJ | New York | Empire Blue-Cross Blue-Shield of New York |
| UKK | - | Unallocated/Not Assigned |
| UKL | Texas | Blue-Cross Blue-Shield of Texas |
| UKM | - | Unallocated/Not Assigned |
| UKN | Idaho | Blue-Cross of Idaho |
| UKO | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UKP | - | Unallocated/Not Assigned |
| UKQ | Alaska | Premera Blue-Cross of Alaska |
| UKR | - | Unallocated/Not Assigned |
| UKS | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UKT | California | Anthem Blue-Cross |
| UKU | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UKV | - | Unallocated/Not Assigned |
| UKW | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UKX | Nebraska | Blue-Cross Blue-Shield of Nebraska |
| UKY | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UKZ | - | Unallocated/Not Assigned |
| ULA | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| ULB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| ULC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| ULD | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| ULE | Illinois | Blue-Cross Blue-Shield of Illinois |
| ULF | Illinois | Blue-Cross Blue-Shield of Illinois |
| ULG | - | Unallocated/Not Assigned |
| ULH | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| ULI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| ULJ | Michigan | Blue-Cross Blue-Shield of Michigan |
| ULK | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| ULL | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| ULM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| ULN | Kansas City | Blue-Cross Blue-Shield of Kansas City |
| ULO | Michigan | Blue-Cross Blue-Shield of Michigan |
| ULP | Alabama | Blue-Cross Blue-Shield of Alabama |
| ULQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| ULR | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| ULS | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| ULT | Illinois | Blue-Cross Blue-Shield of Illinois |
| ULU | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| ULV | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| ULW | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| ULX | - | Unallocated/Not Assigned |
| ULY | Illinois | Blue-Cross Blue-Shield of Illinois |
| ULZ | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UMA | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UMB | Idaho | Blue-Cross of Idaho |
| UMC | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| UMD | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UME | Florida | Florida-Blue |
| UMF | Illinois | Blue-Cross Blue-Shield of Illinois |
| UMG | California | Anthem Blue-Cross |
| UMH | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UMI | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UMJ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UMK | Michigan | Blue-Cross Blue-Shield of Michigan |
| UML | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMM | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UMN | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMO | California | Anthem Blue-Cross |
| UMP | - | Unallocated/Not Assigned |
| UMQ | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| UMR | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UMS | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMT | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMU | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMV | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMW | Michigan | Blue-Cross Blue-Shield of Michigan |
| UMX | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UMY | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UMZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UNA | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UNB | Nebraska | Blue-Cross Blue-Shield of Nebraska |
| UNC | Michigan | Blue-Cross Blue-Shield of Michigan |
| UND | - | Unallocated/Not Assigned |
| UNE | - | Unallocated/Not Assigned |
| UNF | Arizona | Blue-Cross Blue-Shield of Arizona |
| UNG | North Carolina | Blue-Cross Blue-Shield of North Carolina |
| UNH | - | Unallocated/Not Assigned |
| UNI | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UNJ | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UNK | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UNL | California | Anthem Blue-Cross |
| UNM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UNN | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UNO | - | Unallocated/Not Assigned |
| UNP | Michigan | Blue-Cross Blue-Shield of Michigan |
| UNQ | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UNR | California | Anthem Blue-Cross |
| UNS | Vermont | Blue-Cross of Vermont |
| UNT | Vermont | Blue-Cross of Vermont |
| UNU | New York | Empire Blue-Cross Blue-Shield of New York |
| UNV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UNW | Florida | Florida-Blue |
| UNX | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UNY | - | Unallocated/Not Assigned |
| UNZ | New York | Empire Blue-Cross Blue-Shield of New York |
| UOA | - | Unallocated/Not Assigned |
| UOB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UOC | Illinois | Blue-Cross Blue-Shield of Illinois |
| UOD | - | Unallocated/Not Assigned |
| UOE | Illinois | Blue-Cross Blue-Shield of Illinois |
| UOF | Michigan | Blue-Cross Blue-Shield of Michigan |
| UOG | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UOH | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UOI | Idaho | Blue-Cross of Idaho |
| UOJ | - | Unallocated/Not Assigned |
| UOK | - | Unallocated/Not Assigned |
| UOL | - | Unallocated/Not Assigned |
| UOM | Michigan | Blue-Cross Blue-Shield of Michigan |
| UON | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UOO | Michigan | Blue-Cross Blue-Shield of Michigan |
| UOP | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UOQ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UOR | - | Unallocated/Not Assigned |
| UOS | - | Unallocated/Not Assigned |
| UOT | California | Blue-Shield of California |
| UOU | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UOV | - | Unallocated/Not Assigned |
| UOW | - | Unallocated/Not Assigned |
| UOX | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UOY | Michigan | Blue-Cross Blue-Shield of Michigan |
| UOZ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UPA | Illinois | Blue-Cross Blue-Shield of Illinois |
| UPB | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UPC | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UPD | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UPE | - | Unallocated/Not Assigned |
| UPF | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UPG | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UPH | Illinois | Blue-Cross Blue-Shield of Illinois |
| UPI | Alabama | Blue-Cross Blue-Shield of Alabama |
| UPJ | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UPK | - | Unallocated/Not Assigned |
| UPL | - | Unallocated/Not Assigned |
| UPM | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| UPN | - | Unallocated/Not Assigned |
| UPO | New York (Northeastern) | Blue-Shield of Northeastern New York |
| UPP | Texas | Blue-Cross Blue-Shield of Texas |
| UPQ | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| UPR | - | Unallocated/Not Assigned |
| UPS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UPT | Illinois | Blue-Cross Blue-Shield of Illinois |
| UPU | - | Unallocated/Not Assigned |
| UPV | - | Unallocated/Not Assigned |
| UPW | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| UPX | Texas | Blue-Cross Blue-Shield of Texas |
| UPY | Alabama | Blue-Cross Blue-Shield of Alabama |
| UPZ | California | Blue-Shield of California |
| UQA | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| UQB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UQC | - | Unallocated/Not Assigned |
| UQD | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UQE | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UQF | - | Unallocated/Not Assigned |
| UQG | - | Unallocated/Not Assigned |
| UQH | - | Unallocated/Not Assigned |
| UQI | - | Unallocated/Not Assigned |
| UQJ | - | Unallocated/Not Assigned |
| UQK BCBS Prefix | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UQL | - | Unallocated/Not Assigned |
| UQM | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| UQN | - | Unallocated/Not Assigned |
| UQO | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UQP | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UQQ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UQR | - | Unallocated/Not Assigned |
| UQS | - | Unallocated/Not Assigned |
| UQT | New York (Western) | Blue-Cross Blue-Shield of Western New York |
| UQU | Michigan | Blue-Cross Blue-Shield of Michigan |
| UQV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UQW | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UQX | South Carolina | Blue-Cross Blue-Shield of South Carolina |
| UQY | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| UQZ | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| URA | Illinois | Blue-Cross Blue-Shield of Illinois |
| URB | - | Unallocated/Not Assigned |
| URC | - | Unallocated/Not Assigned |
| URD | - | Unallocated/Not Assigned |
| URE | Texas | Blue-Cross Blue-Shield of Texas |
| URF | - | Unallocated/Not Assigned |
| URG | - | Unallocated/Not Assigned |
| URH | - | Unallocated/Not Assigned |
| URI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| URJ | Nevada | Anthem Blue-Cross Blue-Shield of Nevada |
| URK | Illinois | Blue-Cross Blue-Shield of Illinois |
| URL | New York | Excellus Blue-Cross Blue-Shield of New York |
| URM | - | Unallocated/Not Assigned |
| URN | Illinois | Blue-Cross Blue-Shield of Illinois |
| URO | Michigan | Blue-Cross Blue-Shield of Michigan |
| URP | Michigan | Blue-Cross Blue-Shield of Michigan |
| URQ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| URR | South Carolina | Blue-Cross Blue-Shield of South Carolina |
| URS | California | Blue-Shield of California |
| URT | California | Blue-Shield of California |
| URU | Michigan | Blue-Cross Blue-Shield of Michigan |
| URV | Illinois | Blue-Cross Blue-Shield of Illinois |
| URW | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| URX | Minnesota | Blue-Cross Blue-Shield of Minnesota |
| URY | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| URZ | - | Unallocated/Not Assigned |
| USA | California | Anthem Blue-Cross |
| USB | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| USC | - | Unallocated/Not Assigned |
| USD | - | Unallocated/Not Assigned |
| USE | Texas | Blue-Cross Blue-Shield of Texas |
| USF | - | Unallocated/Not Assigned |
| USG | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| USH | Alabama | Blue-Cross Blue-Shield of Alabama |
| USI | - | Unallocated/Not Assigned |
| USJ | New York | Empire Blue-Cross Blue-Shield of New York |
| USK | South Carolina | Blue-Cross Blue-Shield of South Carolina |
| USL | - | Unallocated/Not Assigned |
| USM | California | Blue-Shield of California |
| USN | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| USO | Florida | Florida-Blue |
| USP | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| USQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| USR | New York | Excellus Blue-Cross Blue-Shield of New York |
| USS | North Carolina | Blue-Cross Blue-Shield of North Carolina |
| UST | Illinois | Blue-Cross Blue-Shield of Illinois |
| USU | New York | Empire Blue-Cross Blue-Shield of New York |
| USV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| USW | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| USX | New York | Empire Blue-Cross Blue-Shield of New York |
| USY | South Carolina | Blue-Cross Blue-Shield of South Carolina |
| USZ | - | Unallocated/Not Assigned |
| UTA | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UTB | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UTC | Idaho | Blue-Cross of Idaho |
| UTD | Illinois | Blue-Cross Blue-Shield of Illinois |
| UTE | - | Unallocated/Not Assigned |
| UTF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UTG | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UTH | - | Unallocated/Not Assigned |
| UTI | - | Unallocated/Not Assigned |
| UTJ | - | Unallocated/Not Assigned |
| UTK | Arizona | Blue-Cross Blue-Shield of Arizona |
| UTL | Illinois | Blue-Cross Blue-Shield of Illinois |
| UTM | California | Anthem Blue-Cross |
| UTN | Illinois | Blue-Cross Blue-Shield of Illinois |
| UTO | California | Blue-Shield of California |
| UTP | - | Unallocated/Not Assigned |
| UTQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UTR | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UTS BCBS Prefix | Texas | Blue-Cross Blue-Shield of Texas |
| UTT | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UTU | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UTV | Illinois | Blue-Cross Blue-Shield of Illinois |
| UTW | - | Unallocated/Not Assigned |
| UTX | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UTY | Texas | Blue-Cross Blue-Shield of Texas |
| UTZ | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UUA | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UUB | - | Unallocated/Not Assigned |
| UUC | Oklahoma | Blue-Cross Blue-Shield of Oklahoma |
| UUD | - | Unallocated/Not Assigned |
| UUE | California | Blue-Shield of California |
| UUF | Illinois | Blue-Cross Blue-Shield of Illinois |
| UUG | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UUH | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UUI | North Carolina | Blue-Cross Blue-Shield of North Carolina |
| UUJ | - | Unallocated/Not Assigned |
| UUK | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UUL | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UUM | - | Unallocated/Not Assigned |
| UUN | - | Unallocated/Not Assigned |
| UUO | Michigan | Blue-Cross Blue-Shield of Michigan |
| UUP | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UUQ | - | Unallocated/Not Assigned |
| UUR | - | Unallocated/Not Assigned |
| UUS | California | Blue-Shield of California |
| UUT | - | Unallocated/Not Assigned |
| UUU | - | Unallocated/Not Assigned |
| UUV | - | Unallocated/Not Assigned |
| UUW | - | Unallocated/Not Assigned |
| UUX | Illinois | Blue-Cross Blue-Shield of Illinois |
| UUY | - | Unallocated/Not Assigned |
| UUZ | Michigan | Blue-Cross Blue-Shield of Michigan |
| UVA | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UVB | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UVC | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UVD | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UVE | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UVF | Kansas City | Blue-Cross Blue-Shield of Kansas City |
| UVG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UVH | - | Unallocated/Not Assigned |
| UVI | Michigan | Blue-Cross Blue-Shield of Michigan |
| UVJ | - | Unallocated/Not Assigned |
| UVK | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UVL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania |
| UVM | - | Unallocated/Not Assigned |
| UVN | - | Unallocated/Not Assigned |
| UVO | - | Unallocated/Not Assigned |
| UVP | Illinois | Blue-Cross Blue-Shield of Illinois |
| UVQ | - | Unallocated/Not Assigned |
| UVR | - | Unallocated/Not Assigned |
| UVS | Illinois | Blue-Cross Blue-Shield of Illinois |
| UVT | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UVU | Alabama | Blue-Cross Blue-Shield of Alabama |
| UVV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UVW | New York | Empire Blue-Cross Blue-Shield of New York |
| UVX | - | Unallocated/Not Assigned |
| UVY | California | Anthem Blue-Cross |
| UVZ | Texas | Blue-Cross Blue-Shield of Texas |
| UWA | Michigan | Blue-Cross Blue-Shield of Michigan |
| UWB | - | Unallocated/Not Assigned |
| UWC | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin |
| UWD | California | Anthem Blue-Cross |
| UWE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UWF | Michigan | Blue-Cross Blue-Shield of Michigan |
| UWG | Michigan | Blue-Cross Blue-Shield of Michigan |
| UWH | Ohio | Anthem Blue-Cross Blue-Shield of Ohio |
| UWI | - | Unallocated/Not Assigned |
| UWJ | - | Unallocated/Not Assigned |
| UWK | - | Unallocated/Not Assigned |
| UWL | - | Unallocated/Not Assigned |
| UWM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UWN | Illinois | Blue-Cross Blue-Shield of Illinois |
| UWO | - | Unallocated/Not Assigned |
| UWP | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| UWQ | New York | Empire Blue-Cross Blue-Shield of New York |
| UWR | - | Unallocated/Not Assigned |
| UWS | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UWT | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UWU | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UWV | - | Unallocated/Not Assigned |
| UWW | Michigan | Blue-Cross Blue-Shield of Michigan |
| UWX | Rhode Island | Blue-Cross Blue-Shield of Rhode Island |
| UWY | - | Unallocated/Not Assigned |
| UWZ | - | Unallocated/Not Assigned |
| UXA | - | Unallocated/Not Assigned |
| UXB | Alabama | Blue-Cross Blue-Shield of Alabama |
| UXC | California | Anthem Blue-Cross |
| UXD | South Carolina | Blue-Cross Blue-Shield of South Carolina |
| UXE | Tennessee | Blue-Cross Blue-Shield of Tennessee |
| UXF | California | Anthem Blue-Cross |
| UXG | Michigan | Blue-Cross Blue-Shield of Michigan |
| UXH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UXI | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UXJ | Illinois | Blue-Cross Blue-Shield of Illinois |
| UXK | - | Unallocated/Not Assigned |
| UXL | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UXM | Illinois | Blue-Cross Blue-Shield of Illinois |
| UXN | California | Blue-Shield of California |
| UXO | Michigan | Blue-Cross Blue-Shield of Michigan |
| UXP | - | Unallocated/Not Assigned |
| UXQ | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UXR | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UXS | Alaska | Premera Blue-Cross Blue-Shield of Alaska |
| UXT | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UXU | Illinois | Blue-Cross Blue-Shield of Illinois |
| UXV | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UXW | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey |
| UXX | Michigan | Blue-Cross Blue-Shield of Michigan |
| UXY | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UXZ | Missouri | Anthem Blue-Cross Blue-Shield of Missouri |
| UYA | Illinois | Blue-Cross Blue-Shield of Illinois |
| UYB | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UYC | New York | Empire Blue-Cross Blue-Shield of New York |
| UYD | - | Unallocated/Not Assigned |
| UYE | Massachusetts | Blue-Cross Blue-Shield of Massachusetts |
| UYF | California | Anthem Blue-Cross |
| UYG | Virginia | Anthem Blue-Cross Blue-Shield of Virginia |
| UYH | Indiana | Anthem Blue-Cross Blue-Shield of Indiana |
| UYI | Michigan | Blue-Cross Blue-Shield of Michigan |
| UYJ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield |
| UYK | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UYL | Illinois | Blue-Cross Blue-Shield of Illinois |
| UYM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UYN | - | Unallocated/Not Assigned |
| UYO | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UYP | - | Unallocated/Not Assigned |
| UYQ | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| UYR | - | Unallocated/Not Assigned |
| UYS | - | Unallocated/Not Assigned |
| UYT | - | Unallocated/Not Assigned |
| UYU | Arizona | Blue-Cross Blue-Shield of Arizona |
| UYV | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UYW | Michigan | Blue-Cross Blue-Shield of Michigan |
| UYX | - | Unallocated/Not Assigned |
| UYY | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky |
| UYZ | Idaho | Blue-Cross of Idaho |
| UZA | - | Unallocated/Not Assigned |
| UZB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UZC | California | Anthem Blue-Cross |
| UZD | California | Blue-Shield of California |
| UZE | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania |
| UZF | - | Unallocated/Not Assigned |
| UZG | Michigan | Blue-Cross Blue-Shield of Michigan |
| UZH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UZI | - | Unallocated/Not Assigned |
| UZJ | - | Unallocated/Not Assigned |
| UZK | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield |
| UZL | - | Unallocated/Not Assigned |
| UZM | Louisiana | Blue-Cross Blue-Shield of Louisiana |
| UZN | Florida | Florida-Blue |
| UZO | Georgia | Anthem Blue-Cross Blue-Shield of Georgia |
| UZP | California | Anthem Blue-Cross |
| UZQ | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut |
| UZR | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield |
| UZS | Texas | Blue-Cross Blue-Shield of Texas |
| UZT | Colorado | Anthem Blue-Cross Blue-Shield of Colorado |
| UZU | - | Unallocated/Not Assigned |
| UZV | Michigan | Blue-Cross Blue-Shield of Michigan |
| UZW | Michigan | Blue-Cross Blue-Shield of Michigan |
| UZX | - | Unallocated/Not Assigned |
| UZY | Michigan | Blue-Cross Blue-Shield of Michigan |
| UZZ | Texas | Blue-Cross Blue-Shield of Texas |