| QAA | BCBS of Tennessee (TN) |
| QAB | Anthem BCBS of Colorado (CO) |
| QAC | Unassigned Prefix |
| QAD | Regence BCBS |
| QAE | Anthem BCBS of Georgia (GA) |
| QAF | Unassigned Prefix |
| QAG | Regence BCBS |
| QAH | Premera BCBS of Alaska (AK) |
| QAI | Anthem BCBS of Georgia (GA) |
| QAJ | Anthem BCBS of Virginia (VA) |
| QAK | BCBS of Alabama (AL) |
| QAL | Regence BCBS |
| QAM | BCBS of Minnesota (MN) |
| QAN | Blue shield(BS) of California (CA) |
| QAO | Anthem BCBS of Ohio (OH) |
| QAP | Anthem Blue Cross(BC) of California (CA) |
| QAQ | Anthem BCBS of Ohio (OH) |
| QAR | Anthem BCBS of Colorado (CO) |
| QAS | Unassigned Prefix |
| QAT | Anthem BCBS of Georgia (GA) |
| QAU | BCBS of Alabama (AL) |
| QAV | Unassigned Prefix |
| QAW | BCBS of Alabama (AL) |
| QAX | Anthem BCBS of Georgia (GA) |
| QAY | BCBS of Alabama (AL) |
| QAZ | BCBS of Tennessee (TN) |
| QBA | BCBS of Louisiana(LA) |
| QBB | BCBS of Louisiana(LA) |
| QBC | Anthem BCBS of Virginia (VA) |
| QBD | Unassigned Prefix |
| QBE | BCBS of Louisiana(LA) |
| QBF | Unassigned Prefix |
| QBG | BCBS of Louisiana(LA) |
| QBH | Anthem Blue Cross(BC) of California (CA) |
| QBI | Unassigned Prefix |
| QBJ | Unassigned Prefix |
| QBK | Unassigned Prefix |
| QBL | BCBS of Minnesota (MN) |
| QBM | Unassigned Prefix |
| QBN | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QBO | Unassigned Prefix |
| QBP | Empire BCBS of New York (NY) |
| QBQ | Unassigned Prefix |
| QBR | Empire BCBS of New York (NY) |
| QBS | BCBS of Louisiana(LA) |
| QBT | Unassigned Prefix |
| QBU | Unassigned Prefix |
| QBV | Unassigned Prefix |
| QBW | Unassigned Prefix |
| QBX | Unassigned Prefix |
| QBY | Unassigned Prefix |
| QBZ | Unassigned Prefix |
| QCA | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCB | Wellmark |
| QCC | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCD | Empire BCBS of New York (NY) |
| QCE | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCF | Blue shield(BS) of California (CA) |
| QCG | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCH | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCI | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCJ | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCK | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCL | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCM | Unassigned Prefix |
| QCN | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCO | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCP | Wellmark |
| QCQ | Unassigned Prefix |
| QCR | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCS | BCBS of Massachusetts (MA) |
| QCT | Anthem BCBS of Missouri (MO) |
| QCU | BCBS of Minnesota (MN) |
| QCV | BCBS of Minnesota (MN) |
| QCW | Empire BCBS of New York (NY) |
| QCX | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QCY | Anthem Blue Cross(BC) of California (CA) |
| QCZ | BCBS of Nebraska (NE) |
| QDA | Highmark BCBS of Pennsylvania (PA) |
| QDB | Anthem BCBS of Virginia (VA) |
| QDC | Highmark BCBS of Pennsylvania (PA) |
| QDD | Highmark BCBS of Pennsylvania (PA) |
| QDE | Highmark BCBS of Pennsylvania (PA) |
| QDF | Highmark BCBS of Pennsylvania (PA) |
| QDG | Anthem BCBS of Virginia (VA) |
| QDH | Highmark BCBS of Pennsylvania (PA) |
| QDI | Unassigned Prefix |
| QDJ | Highmark BCBS of Pennsylvania (PA) |
| QDK | Anthem BCBS of Virginia (VA) |
| QDL | Anthem BCBS of Virginia (VA) |
| QDM | Highmark BCBS of Pennsylvania (PA) |
| QDN | Highmark BCBS of Pennsylvania (PA) |
| QDO | Highmark BCBS of Pennsylvania (PA) |
| QDP | Highmark BCBS of Pennsylvania (PA) |
| QDQ | Highmark BCBS of Pennsylvania (PA) |
| QDR | Highmark BCBS of Pennsylvania (PA) |
| QDS | Highmark BCBS of Pennsylvania (PA) |
| QDT | Anthem BCBS of Virginia (VA) |
| QDU | Highmark BCBS of Pennsylvania (PA) |
| QDV | Highmark BCBS of Pennsylvania (PA) |
| QDW | Highmark BCBS of Pennsylvania (PA) |
| QDX | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QDY | Highmark BCBS of Pennsylvania (PA) |
| QDZ | Highmark BCBS of Pennsylvania (PA) |
| QEA | Unassigned Prefix |
| QEB | Unassigned Prefix |
| QEC | Unassigned Prefix |
| QED | Anthem Blue Cross(BC) of California (CA) |
| QEE | Blue shield(BS) of California (CA) |
| QEF | Unassigned Prefix |
| QEG | Anthem Blue Cross(BC) of California (CA) |
| QEH | BCBS of Alabama (AL) |
| QEI | Unassigned Prefix |
| QEJ | BCBS of Western New York (WNY) |
| QEK | Anthem BCBS of Virginia (VA) |
| QEL | BCBS of Minnesota (MN) |
| QEM | Unassigned Prefix |
| QEN | Premera BCBS of Alaska (AK) |
| QEO | BCBS Blue Care Network Michigan (MI) |
| QEP | Anthem BCBS of Nevada (NV) |
| QEQ | Anthem BCBS of Georgia (GA) |
| QER | Anthem BCBS of Colorado (CO) |
| QES | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QET | Unassigned Prefix |
| QEU | Unassigned Prefix |
| QEV | Unassigned Prefix |
| QEW | Anthem BCBS of Nevada (NV) |
| QEX | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QEY | Anthem BCBS of Georgia (GA) |
| QEZ | Unassigned Prefix |
| QFA | Unassigned Prefix |
| QFB | Unassigned Prefix |
| QFC | BCBS of Nebraska (NE) |
| QFD | Wellmark |
| QFE | GEO Blue Travel Insurance |
| QFF | GEO Blue Travel Insurance |
| QFG | Unassigned Prefix |
| QFH | GEO Blue Travel Insurance |
| QFI | Unassigned Prefix |
| QFJ | GEO Blue Travel Insurance |
| QFK | BCBS of Western New York (WNY) |
| QFL | Unassigned Prefix |
| QFM | Anthem BCBS of Georgia (GA) |
| QFN | Unassigned Prefix |
| QFO | Unassigned Prefix |
| QFP | Premera BCBS of Alaska (AK) |
| QFQ | Unassigned Prefix |
| QFR | Unassigned Prefix |
| QFS | Anthem BCBS of Colorado (CO) |
| QFT | Unassigned Prefix |
| QFU | Anthem Blue Cross(BC) of California (CA) |
| QFV | Anthem BCBS of Colorado (CO) |
| QFW | BCBS of Western New York (WNY) |
| QFX | Anthem Blue Cross(BC) of California (CA) |
| QFY | Anthem BCBS of Ohio (OH) |
| QFZ | Unassigned Prefix |
| QGA | Unassigned Prefix |
| QGB | Anthem BCBS of Ohio (OH) |
| QGC | BCBS of Western New York (WNY) |
| QGD | Anthem Blue Cross(BC) of California (CA) |
| QGE | BCBS of Alabama (AL) |
| QGF | Anthem Blue Cross(BC) of California (CA) |
| QGG | Anthem Blue Cross(BC) of California (CA) |
| QGH | Anthem Blue Cross(BC) of California (CA) |
| QGI | Anthem BCBS of Ohio (OH) |
| QGJ | Anthem Blue Cross(BC) of California (CA) |
| QGK | Anthem BCBS of Georgia (GA) |
| QGL | Wellmark |
| QGM | Blue Cross (BC) of Idaho (ID) |
| QGN | Anthem BCBS of Ohio (OH) |
| QGO | Anthem Blue Cross(BC) of California (CA) |
| QGP | Unassigned Prefix |
| QGQ | Anthem BCBS of Ohio (OH) |
| QGR | Anthem BCBS of Virginia (VA) |
| QGS | Anthem BCBS of Virginia (VA) |
| QGT | Wellmark |
| QGU | Blue shield(BS) of California (CA) |
| QGV | Anthem BCBS of Georgia (GA) |
| QGW | Anthem BCBS of Colorado (CO) |
| QGX | BCBS of Alabama (AL) |
| QGY | BCBS Blue Care Network Michigan (MI) |
| QGZ | BCBS Blue Care Network Michigan (MI) |
| QHA | GeoBlue BCBS |
| QHB | GeoBlue BCBS |
| QHC | GeoBlue BCBS |
| QHD | GeoBlue BCBS |
| QHE | GeoBlue BCBS |
| QHF | GeoBlue BCBS |
| QHG | GeoBlue BCBS |
| QHH | GeoBlue BCBS |
| QHI | GeoBlue BCBS |
| QHJ | GeoBlue BCBS |
| QHK | GeoBlue BCBS |
| QHL | GeoBlue BCBS |
| QHM | GeoBlue BCBS |
| QHN | GeoBlue BCBS |
| QHO | GeoBlue BCBS |
| QHP | Anthem BCBS of Georgia (GA) |
| QHQ | Anthem BCBS of Virginia (VA) |
| QHR | Premera BCBS of Alaska (AK) |
| QHS | GeoBlue BCBS |
| QHT | Anthem BCBS of Virginia (VA) |
| QHU | Premera BCBS of Alaska (AK) |
| QHV | Blue shield(BS) of Northeastern New York (NeNY) |
| QHW | Anthem BCBS of Georgia (GA) |
| QHX | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QHY | Unassigned Prefix |
| QHZ | Anthem BCBS of Ohio (OH) |
| QIA | Anthem BCBS of Georgia (GA) |
| QIB | Blue shield(BS) of California (CA) |
| QIC | Regence BCBS |
| QID | BCBS Blue Care Network Michigan (MI) |
| QIE | Anthem BCBS of Virginia (VA) |
| QIF | BCBS of Rhode Island (RI) |
| QIG | BCBS of Alabama (AL) |
| QIH | Anthem BCBS of Virginia (VA) |
| QII | BCBS Blue Care Network Michigan (MI) |
| QIJ | BCBS Blue Care Network Michigan (MI) |
| QIK | Wellmark |
| QIL | BCBS of Alabama (AL) |
| QIM | Unassigned Prefix |
| QIN | Anthem Blue Cross(BC) of California (CA) |
| QIO | BCBS Blue Care Network Michigan (MI) |
| QIP | Anthem Blue Cross(BC) of California (CA) |
| QIQ | BCBS Blue Care Network Michigan (MI) |
| QIR | BCBS Blue Care Network Michigan (MI) |
| QIS | BCBS of Minnesota (MN) |
| QIT | Anthem BCBS of Georgia (GA) |
| QIU | BCBS Blue Care Network Michigan (MI) |
| QIV | Regence BCBS |
| QIW | Highmark BCBS of Pennsylvania (PA) |
| QIX | Unassigned Prefix |
| QIY | BCBS Blue Care Network Michigan (MI) |
| QIZ | BCBS Blue Care Network Michigan (MI) |
| QJA | Anthem BCBS of Nevada (NV) |
| QJB | BCBS of Western New York (WNY) |
| QJC | Regence BCBS |
| QJD | Anthem BCBS of Georgia (GA) |
| QJE | BCBS of Rhode Island (RI) |
| QJF | Anthem BCBS of Missouri (MO) |
| QJG | BCBS Blue Care Network Michigan (MI) |
| QJH | Anthem BCBS of Virginia (VA) |
| QJI | BCBS Blue Care Network Michigan (MI) |
| QJJ | BCBS Blue Care Network Michigan (MI) |
| QJK | BCBS of Western New York (WNY) |
| QJL | BCBS Blue Care Network Michigan (MI) |
| QJM | Anthem BCBS of Ohio (OH) |
| QJN | BCBS Blue Care Network Michigan (MI) |
| QJO | Highmark BCBS of Pennsylvania (PA) |
| QJP | Highmark BCBS of Pennsylvania (PA) |
| QJQ | BCBS of Western New York (WNY) |
| QJR | BCBS Blue Care Network Michigan (MI) |
| QJS | Highmark BCBS of Pennsylvania (PA) |
| QJT | Anthem BCBS of Georgia (GA) |
| QJU | BCBS Blue Care Network Michigan (MI) |
| QJV | Anthem BCBS of Georgia (GA) |
| QJW | BCBS of Western New York (WNY) |
| QJX | BCBS Blue Care Network Michigan (MI) |
| QJY | BCBS Blue Care Network Michigan (MI) |
| QJZ | BCBS Blue Care Network Michigan (MI) |
| QKA | Anthem BCBS of Virginia (VA) |
| QKB | Anthem BCBS of Virginia (VA) |
| QKC | Empire BCBS of New York (NY) |
| QKD | Anthem BCBS of Georgia (GA) |
| QKE | Anthem BCBS of Georgia (GA) |
| QKF | BCBS Blue Care Network Michigan (MI) |
| QKG | BCBS Blue Care Network Michigan (MI) |
| QKH | Anthem BCBS of Virginia (VA) |
| QKI | BCBS Blue Care Network Michigan (MI) |
| QKJ | Anthem BCBS of Missouri (MO) |
| QKK | BCBS Blue Care Network Michigan (MI) |
| QKL | Anthem BCBS of Ohio (OH) |
| QKM | Anthem BCBS of Georgia (GA) |
| QKN | Anthem BCBS of Georgia (GA) |
| QKO | BCBS Blue Care Network Michigan (MI) |
| QKP | Anthem Blue Cross(BC) of California (CA) |
| QKQ | BCBS Blue Care Network Michigan (MI) |
| QKR | BCBS Blue Care Network Michigan (MI) |
| QKS | Highmark BCBS of Pennsylvania (PA) |
| QKT | Blue shield(BS) of Northeastern New York (NeNY) |
| QKU | Anthem BCBS of Missouri (MO) |
| QKV | Anthem Blue Cross(BC) of California (CA) |
| QKW | BCBS of Minnesota (MN) |
| QKX | BCBS Blue Care Network Michigan (MI) |
| QKY | BCBS Blue Care Network Michigan (MI) |
| QKZ | BCBS Blue Care Network Michigan (MI) |
| QLA | Empire BCBS of New York (NY) |
| QLB | Anthem Blue Cross(BC) of California (CA) |
| QLC | BCBS of Alabama (AL) |
| QLD | BCBS of Western New York (WNY) |
| QLE | Anthem BCBS of Georgia (GA) |
| QLF | BCBS of Western New York (WNY) |
| QLG | BCBS of Alabama (AL) |
| QLH | Unassigned Prefix |
| QLI | BCBS of South Carolina (SC) / Southcarolinablues |
| QLJ | Anthem BCBS of Wisconsin (WI) |
| QLK | Anthem BCBS of Wisconsin (WI) |
| QLL | BCBS of Tennessee (TN) |
| QLM | Unassigned Prefix |
| QLN | BCBS of Alabama (AL) |
| QLO | Wellmark |
| QLP | Empire BCBS of New York (NY) |
| QLQ | Anthem BCBS of Missouri (MO) |
| QLR | Anthem BCBS of Missouri (MO) |
| QLS | Highmark BCBS of Pennsylvania (PA) |
| QLT | Anthem BCBS of Virginia (VA) |
| QLU | Wellmark |
| QLV | Regence BCBS |
| QLW | BCBS of Rhode Island (RI) |
| QLX | Anthem BCBS of Ohio (OH) |
| QLY | Regence BCBS |
| QLZ | BCBS Blue Care Network Michigan (MI) |
| QMA | BCBS of Illinois (IL) |
| QMB | BCBS of Illinois (IL) |
| QMC | BCBS of Illinois (IL) |
| QMD | BCBS of Illinois (IL) |
| QME | BCBS of Illinois (IL) |
| QMF | BCBS of Illinois (IL) |
| QMG | BCBS of Illinois (IL) |
| QMH | Unassigned Prefix |
| QMI | BCBS of Tennessee (TN) |
| QMJ | BCBS of Tennessee (TN) |
| QMK | Unassigned Prefix |
| QML | Premera BCBS of Alaska (AK) |
| QMM | Unassigned Prefix |
| QMN | BCBS of Western New York (WNY) |
| QMO | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QMP | Unassigned Prefix |
| QMQ | Capital Blue Cross of Pennsylvania (PA) |
| QMR | Anthem BCBS of Ohio (OH) |
| QMS | Blue shield(BS) of California (CA) |
| QMT | Unassigned Prefix |
| QMU | Anthem BCBS of Colorado (CO) |
| QMV | Highmark BCBS of Pennsylvania (PA) |
| QMW | Anthem BCBS of Georgia (GA) |
| QMX | Anthem BCBS of Georgia (GA) |
| QMY | Regence BCBS |
| QMZ | Anthem BCBS of Georgia (GA) |
| QNA | Anthem BCBS of Kentucky (KY) |
| QNB | Anthem BCBS of Georgia (GA) |
| QNC | Anthem Blue Cross(BC) of California (CA) |
| QND | Unassigned Prefix |
| QNE | BCBS of Massachusetts (MA) |
| QNF | BCBS of Alabama (AL) |
| QNG | Anthem BCBS of Georgia (GA) |
| QNH | Anthem BCBS of Georgia (GA) |
| QNI | BCBS Blue Care Network Michigan (MI) |
| QNJ | BCBS Blue Care Network Michigan (MI) |
| QNK | BCBS Blue Care Network Michigan (MI) |
| QNL | Highmark BCBS of Pennsylvania (PA) |
| QNM | Unassigned Prefix |
| QNN | Blue shield(BS) of California (CA) |
| QNO | Unassigned Prefix |
| QNP | Anthem BCBS of Kentucky (KY) |
| QNQ | Anthem BCBS of Georgia (GA) |
| QNR | Empire BCBS of New York (NY) |
| QNS | Unassigned Prefix |
| QNT | Premera BCBS of Alaska (AK) |
| QNU | Anthem BCBS of Missouri (MO) |
| QNV | Anthem BCBS of Georgia (GA) |
| QNW | BCBS of Western New York (WNY) |
| QNX | BCBS Blue Care Network Michigan (MI) |
| QNY | BCBS Blue Care Network Michigan (MI) |
| QNZ | BCBS of Western New York (WNY) |
| QOA | Anthem BCBS of Indiana (IN) |
| QOB | Anthem Blue Cross(BC) of California (CA) |
| QOC | Highmark BCBS of Pennsylvania (PA) |
| QOD | BCBS Blue Care Network Michigan (MI) |
| QOE | BCBS Blue Care Network Michigan (MI) |
| QOF | BCBS Blue Care Network Michigan (MI) |
| QOG | BCBS Blue Care Network Michigan (MI) |
| QOH | Anthem Blue Cross(BC) of California (CA) |
| QOI | BCBS of North Carolina (NC) |
| QOJ | BCBS Blue Care Network Michigan (MI) |
| QOK | BCBS Blue Care Network Michigan (MI) |
| QOL | BCBS Blue Care Network Michigan (MI) |
| QOM | Regence BCBS |
| QON | BCBS Blue Care Network Michigan (MI) |
| QOO | BCBS Blue Care Network Michigan (MI) |
| QOP | Anthem BCBS of Ohio (OH) |
| QOQ | BCBS Blue Care Network Michigan (MI) |
| QOR | BCBS Blue Care Network Michigan (MI) |
| QOS | Unassigned Prefix |
| QOT | BCBS Blue Care Network Michigan (MI) |
| QOU | BCBS Blue Care Network Michigan (MI) |
| QOV | Unassigned Prefix |
| QOW | BCBS Blue Care Network Michigan (MI) |
| QOX | Unassigned Prefix |
| QOY | BCBS Blue Care Network Michigan (MI) |
| QOZ | BCBS Blue Care Network Michigan (MI) |
| QPA | Unassigned Prefix |
| QPB | Unassigned Prefix |
| QPC | Unassigned Prefix |
| QPD | Unassigned Prefix |
| QPE | Unassigned Prefix |
| QPF | Unassigned Prefix |
| QPG | Unassigned Prefix |
| QPH | Unassigned Prefix |
| QPI | Unassigned Prefix |
| QPJ | Regence BCBS |
| QPK | Anthem BCBS of Ohio (OH) |
| QPL | Unassigned Prefix |
| QPM | Anthem BCBS of Ohio (OH) |
| QPN | Regence BCBS |
| QPO | Blue Cross (BC) of Idaho (ID) |
| QPP | Anthem BCBS of Georgia (GA) |
| QPQ | Blue shield(BS) of California (CA) |
| QPR | Wellmark |
| QPS | Anthem BCBS of Missouri (MO) |
| QPT | BCBS of Western New York (WNY) |
| QPU | Unassigned Prefix |
| QPV | Empire BCBS of New York (NY) |
| QPW | Anthem BCBS of Colorado (CO) |
| QPX | Anthem Blue Cross(BC) of California (CA) |
| QPY | Anthem BCBS of Ohio (OH) |
| QPZ | Anthem BCBS of Georgia (GA) |
| QQA | Anthem BCBS of Georgia (GA) |
| QQB | Anthem BCBS of Nevada (NV) |
| QQC | Blue shield(BS) of California (CA) |
| QQD | Regence BCBS |
| QQE | Regence BCBS |
| QQF | Regence BCBS |
| QQG | BCBS of Minnesota (MN) |
| QQH | Unassigned Prefix |
| QQI | BCBS of Minnesota (MN) |
| QQJ | Anthem BCBS of Virginia (VA) |
| QQK | BCBS of Minnesota (MN) |
| QQL | BCBS of Minnesota (MN) |
| QQM | Anthem BCBS of Georgia (GA) |
| QQN | BCBS of Minnesota (MN) |
| QQO | BCBS Blue Care Network Michigan (MI) |
| QQP | Anthem BCBS of Colorado (CO) |
| QQQ | BCBS of Minnesota (MN) |
| QQR | Regence BCBS |
| QQS | Unassigned Prefix |
| QQT | Regence BCBS |
| QQU | Anthem BCBS of Wisconsin (WI) |
| QQV | Anthem Blue Cross(BC) of California (CA) |
| QQW | Anthem Blue Cross(BC) of California (CA) |
| QQX | BCBS Blue Care Network Michigan (MI) |
| QQY | BCBS Blue Care Network Michigan (MI) |
| QQZ | BCBS of Western New York (WNY) |
| QRA | Unassigned Prefix |
| QRB | Unassigned Prefix |
| QRC | Unassigned Prefix |
| QRD | Unassigned Prefix |
| QRE | Unassigned Prefix |
| QRF | Unassigned Prefix |
| QRG | Anthem Blue Cross(BC) of California (CA) |
| QRH | Anthem Blue Cross(BC) of California (CA) |
| QRI | Anthem BCBS of Missouri (MO) |
| QRJ | BCBS Blue Care Network Michigan (MI) |
| QRK | Anthem BCBS of Missouri (MO) |
| QRL | Unassigned Prefix |
| QRM | Anthem BCBS of Georgia (GA) |
| QRN | Anthem BCBS of Colorado (CO) |
| QRO | BCBS Blue Care Network Michigan (MI) |
| QRP | Unassigned Prefix |
| QRQ | Anthem BCBS of Georgia (GA) |
| QRR | Anthem BCBS of Colorado (CO) |
| QRS | Anthem BCBS of Colorado (CO) |
| QRT | Anthem BCBS of Colorado (CO) |
| QRU | Anthem BCBS of Colorado (CO) |
| QRV | Anthem BCBS of Colorado (CO) |
| QRW | Anthem BCBS of Colorado (CO) |
| QRX | Anthem BCBS of Colorado (CO) |
| QRY | Anthem BCBS of Colorado (CO) |
| QRZ | Blue shield(BS) of Northeastern New York (NeNY) |
| QSA | Unassigned Prefix |
| QSB | Unassigned Prefix |
| QSC | Unassigned Prefix |
| QSD | Unassigned Prefix |
| QSE | Unassigned Prefix |
| QSF | Unassigned Prefix |
| QSG | Anthem BCBS of Georgia (GA) |
| QSH | Empire BCBS of New York (NY) |
| QSI | Anthem BCBS of Nevada (NV) |
| QSJ | Anthem BCBS of Georgia (GA) |
| QSK | Unassigned Prefix |
| QSL | Anthem BCBS of Kentucky (KY) |
| QSM | Anthem BCBS of Colorado (CO) |
| QSN | Anthem BCBS of Ohio (OH) |
| QSO | Unassigned Prefix |
| QSP | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QSQ | Unassigned Prefix |
| QSR | Unassigned Prefix |
| QSS | Anthem BCBS of Colorado (CO) |
| QST | Unassigned Prefix |
| QSU | Anthem BCBS of Georgia (GA) |
| QSV | BCBS of Massachusetts (MA) |
| QSW | Anthem BCBS of Georgia (GA) |
| QSX | Premera BCBS of Alaska (AK) |
| QSY | Premera BCBS of Alaska (AK) |
| QSZ | Anthem BCBS of Ohio (OH) |
| QTA | Anthem BCBS of Ohio (OH) |
| QTB | Anthem BCBS of Virginia (VA) |
| QTC | Anthem Blue Cross(BC) of California (CA) |
| QTD | BCBS of Alabama (AL) |
| QTE | Anthem BCBS of Colorado (CO) |
| QTF | Unassigned Prefix |
| QTG | Regence BCBS |
| QTH | Premera BCBS of Alaska (AK) |
| QTI | Unassigned Prefix |
| QTJ | BCBS of Rhode Island (RI) |
| QTK | BCBS of Massachusetts (MA) |
| QTL | Anthem Blue Cross(BC) of California (CA) |
| QTM | Regence BCBS |
| QTN | Regence BCBS |
| QTO | BCBS of Rhode Island (RI) |
| QTP | Anthem BCBS of Georgia (GA) |
| QTQ | Anthem Blue Cross(BC) of California (CA) |
| QTR | Regence BCBS |
| QTS | Anthem BCBS of Kentucky (KY) |
| QTT | Anthem BCBS of Colorado (CO) |
| QTU | Anthem BCBS of Missouri (MO) |
| QTV | Premera BCBS of Alaska (AK) |
| QTW | Unassigned Prefix |
| QTX | Highmark BCBS of Delaware (DE) |
| QTY | Anthem BCBS of Georgia (GA) |
| QTZ | Anthem BCBS of Georgia (GA) |
| QUA | Anthem Blue Cross(BC) of California (CA) |
| QUB | Anthem BCBS of Wisconsin (WI) |
| QUC | Anthem Blue Cross(BC) of California (CA) |
| QUD | BCBS of Rhode Island (RI) |
| QUE | Wellmark |
| QUF | Anthem Blue Cross(BC) of California (CA) |
| QUG | BCBS Blue Care Network Michigan (MI) |
| QUH | Anthem BCBS of Virginia (VA) |
| QUI | BCBS Blue Care Network Michigan (MI) |
| QUJ | BCBS Blue Care Network Michigan (MI) |
| QUK | Regence BCBS |
| QUL | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QUM | Regence BCBS |
| QUN | BCBS of Rhode Island (RI) |
| QUO | Anthem BCBS of Ohio (OH) |
| QUP | Anthem BCBS of Georgia (GA) |
| QUQ | BCBS Blue Care Network Michigan (MI) |
| QUR | BCBS Blue Care Network Michigan (MI) |
| QUS | Unassigned Prefix |
| QUT | Blue shield(BS) of California (CA) |
| QUU | BCBS Blue Care Network Michigan (MI) |
| QUV | BCBS Blue Care Network Michigan (MI) |
| QUW | Anthem BCBS of Colorado (CO) |
| QUX | BCBS Blue Care Network Michigan (MI) |
| QUY | BCBS Blue Care Network Michigan (MI) |
| QUZ | BCBS Blue Care Network Michigan (MI) |
| QVA | Unassigned Prefix |
| QVB | Anthem BCBS of Ohio (OH) |
| QVC | Unassigned Prefix |
| QVD | BCBS Blue Care Network Michigan (MI) |
| QVE | Unassigned Prefix |
| QVF | Unassigned Prefix |
| QVG | Anthem BCBS of Ohio (OH) |
| QVH | Unassigned Prefix |
| QVI | BCBS Blue Care Network Michigan (MI) |
| QVJ | BCBS Blue Care Network Michigan (MI) |
| QVK | BCBS Blue Care Network Michigan (MI) |
| QVL | BCBS of Alabama (AL) |
| QVM | Anthem BCBS of Colorado (CO) |
| QVN | Unassigned Prefix |
| QVO | BCBS Blue Care Network Michigan (MI) |
| QVP | Anthem BCBS of Ohio (OH) |
| QVQ | BCBS Blue Care Network Michigan (MI) |
| QVR | BCBS of Massachusetts (MA) |
| QVS | Anthem BCBS of Nevada (NV) |
| QVT | Anthem Blue Cross(BC) of California (CA) |
| QVU | BCBS Blue Care Network Michigan (MI) |
| QVV | BCBS Blue Care Network Michigan (MI) |
| QVW | BCBS Blue Care Network Michigan (MI) |
| QVX | BCBS Blue Care Network Michigan (MI) |
| QVY | BCBS Blue Care Network Michigan (MI) |
| QVZ | BCBS Blue Care Network Michigan (MI) |
| QWA | Anthem Blue Cross(BC) of California (CA) |
| QWB | Anthem Blue Cross(BC) of California (CA) |
| QWC | Anthem Blue Cross(BC) of California (CA) |
| QWD | Anthem Blue Cross(BC) of California (CA) |
| QWE | Anthem Blue Cross(BC) of California (CA) |
| QWF | Anthem Blue Cross(BC) of California (CA) |
| QWG | Anthem Blue Cross(BC) of California (CA) |
| QWH | Anthem Blue Cross(BC) of California (CA) |
| QWI | BCBS of Minnesota (MN) |
| QWJ | BCBS of Western New York (WNY) |
| QWK | BCBS Blue Care Network Michigan (MI) |
| QWL | Anthem BCBS of Ohio (OH) |
| QWM | Wellmark |
| QWN | Anthem Blue Cross(BC) of California (CA) |
| QWO | BCBS Blue Care Network Michigan (MI) |
| QWP | Anthem BCBS of Colorado (CO) |
| QWQ | BCBS Blue Care Network Michigan (MI) |
| QWR | Anthem BCBS of Ohio (OH) |
| QWS | Anthem Blue Cross(BC) of California (CA) |
| QWT | Unassigned Prefix |
| QWU | Unassigned Prefix |
| QWV | Unassigned Prefix |
| QWW | Anthem BCBS of Colorado (CO) |
| QWX | Anthem BCBS of Maine (ME) |
| QWY | BCBS of Wyoming (WY) |
| QWZ | Unassigned Prefix |
| QXA | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXB | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXC | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXD | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXE | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXF | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXG | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXH | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXI | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXJ | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| QXK | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXL | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXM | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXN | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXO | BCBS Blue Care Network Michigan (MI) |
| QXP | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXQ | BCBS of Western New York (WNY) |
| QXR | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXS | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXT | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXU | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| QXV | Unassigned Prefix |
| QXW | Unassigned Prefix |
| QXX | BCBS of Massachusetts (MA) |
| QXY | BCBS Blue Care Network Michigan (MI) |
| QXZ | Unassigned Prefix |
| QYA | Highmark BCBS of Pennsylvania (PA) |
| QYB | Anthem BCBS of Virginia (VA) |
| QYC | Highmark BCBS of Pennsylvania (PA) |
| QYD | Highmark BCBS of Pennsylvania (PA) |
| QYE | Highmark BCBS of Pennsylvania (PA) |
| QYF | Highmark BCBS of Pennsylvania (PA) |
| QYG | Highmark BCBS of Pennsylvania (PA) |
| QYH | Anthem BCBS of Virginia (VA) |
| QYI | BCBS Blue Care Network Michigan (MI) |
| QYJ | BCBS Blue Care Network Michigan (MI) |
| QYK | BCBS Blue Care Network Michigan (MI) |
| QYL | Anthem BCBS of Georgia (GA) |
| QYM | BCBS of Western New York (WNY) |
| QYN | BCBS Blue Care Network Michigan (MI) |
| QYO | BCBS Blue Care Network Michigan (MI) |
| QYP | Anthem BCBS of Ohio (OH) |
| QYQ | BCBS Blue Care Network Michigan (MI) |
| QYR | Anthem BCBS of Georgia (GA) |
| QYS | Anthem BCBS of Nevada (NV) |
| QYT | Regence BCBS |
| QYU | BCBS Blue Care Network Michigan (MI) |
| QYV | BCBS Blue Care Network Michigan (MI) |
| QYW | BCBS Blue Care Network Michigan (MI) |
| QYX | Unassigned Prefix |
| QYY | BCBS Blue Care Network Michigan (MI) |
| QYZ | BCBS of Western New York (WNY) |
| QZA | Highmark BCBS of Pennsylvania (PA) |
| QZB | Unassigned Prefix |
| QZC | Highmark BCBS of Pennsylvania (PA) |
| QZD | Highmark BCBS of Pennsylvania (PA) |
| QZE | Unassigned Prefix |
| QZF | Unassigned Prefix |
| QZG | BCBS of Western New York (WNY) |
| QZH | Anthem BCBS of Colorado (CO) |
| QZI | BCBS Blue Care Network Michigan (MI) |
| QZJ | BCBS of Western New York (WNY) |
| QZK | BCBS of Western New York (WNY) |
| QZL | Anthem BCBS of Georgia (GA) |
| QZM | Empire BCBS of New York (NY) |
| QZN | BCBS of Tennessee (TN) |
| QZO | Unassigned Prefix |
| QZP | Blue shield(BS) of Northeastern New York (NeNY) |
| QZQ | BCBS of Western New York (WNY) |
| QZR | BCBS Blue Care Network Michigan (MI) |
| QZS | Anthem BCBS of Nevada (NV) |
| QZT | Anthem Blue Cross(BC) of California (CA) |
| QZU | Unassigned Prefix |
| QZV | BCBS Blue Care Network Michigan (MI) |
| QZW | BCBS of Tennessee (TN) |
| QZX | BCBS of Western New York (WNY) |
| QZY | Unassigned Prefix |
| QZZ | BCBS Blue Care Network Michigan (MI) |
