| BCBS Alpha Prefix List of “R”-series | Blue Cross Blue Shield insurance Companies – Statewise |
| RAA |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RAB | Florida (FL) Blue |
| RAC | Anthem BCBS of Wisconsin (WI) |
| RAD | Wellmark |
| RAE | BCBS of North Carolina (NC) |
| RAF | Not assigned prefix |
| RAG | Wellmark |
| RAH | Anthem BCBS of Connecticut (CT) |
| RAI | Wellmark |
| RAJ | BCBS of Alabama (AL) |
| RAK |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RAL | Anthem BCBS of Ohio (OH) |
| RAM | BCBS of Texas (TX) |
| RAN | Wellmark |
| RAO |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RAP | Wellmark |
| RAQ | Wellmark |
| RAR | Anthem BCBS of Kentucky (KY) |
| RAS | Blue shield(BS) of California (CA) |
| RAT | Anthem Blue Cross(BC) of California (CA) |
| RAU | BCBS of South Carolina (SC) / Southcarolinablues |
| RAV | Anthem BCBS of Virginia (VA) |
| RAW | Not assigned prefix |
| RAX | BCBS of Western New York (WNY) |
| RAY | Not assigned prefix |
| RAZ | Blue shield(BS) of California (CA) |
| RBA | Anthem BCBS of Georgia (GA) |
| RBB | Not assigned prefix |
| RBC | Anthem BCBS of Wisconsin (WI) |
| RBD | Not assigned prefix |
| RBE | Wellmark |
| RBF | BCBS of Minnesota (MN) |
| RBG | BCBS of Illinois (IL) |
| RBH | Anthem BCBS of Ohio (OH) |
| RBI | BCBS of Mississippi (MS) |
| RBJ | Not assigned prefix |
| RBK | Florida (FL) Blue |
| RBL | Anthem Blue Cross(BC) of California (CA) |
| RBM |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RBN | BCBS of South Carolina (SC) / Southcarolinablues |
| RBO | Anthem BCBS of Georgia (GA) |
| RBP | BCBS of Minnesota (MN) |
| RBQ | Anthem BCBS of Ohio (OH) |
| RBR | BCBS of Massachusetts (MA) |
| RBS | BCBS of Texas (TX) |
| RBT | BCBS of Illinois (IL) |
| RBU | Anthem BCBS of Georgia (GA) |
| RBV | Not assigned prefix |
| RBW | Not assigned prefix |
| RBX | BCBS of South Carolina (SC) / Southcarolinablues |
| RBY | BCBS of Minnesota (MN) |
| RBZ | Not assigned prefix |
| RCA | Not assigned prefix |
| RCB | Blue Cross (BC) of Idaho (ID) |
| RCC | Empire BCBS of New York (NY) |
| RCD | Not assigned prefix |
| RCE | BCBS of Western New York (WNY) |
| RCF | BCBS of Alabama (AL) |
| RCG | Not assigned prefix |
| RCH | BCBS of Massachusetts (MA) |
| RCI | Anthem BCBS of Missouri (MO) |
| RCJ | Anthem BCBS of Georgia (GA) |
| RCK | Wellmark |
| RCL | BCBS of Tennessee (TN) |
| RCM | BCBS of Alabama (AL) |
| RCN | Wellmark |
| RCO | Not assigned prefix |
| RCP | Not assigned prefix |
| RCQ | BCBS of Texas (TX) |
| RCR | BCBS of Illinois (IL) |
| RCS | Not assigned prefix |
| RCT | Anthem BCBS of Virginia (VA) |
| RCU | Not assigned prefix |
| RCV | Anthem BCBS of Ohio (OH) |
| RCW | BCBS of Louisiana(LA) |
| RCX | Not assigned prefix |
| RCY | BCBS of Illinois (IL) |
| RCZ | Anthem BCBS of Connecticut (CT) |
| RDA | Anthem BCBS of Georgia (GA) |
| RDB | BCBS of North Carolina (NC) |
| RDC | Not assigned prefix |
| RDD | BCBS of North Dakota (ND) |
| RDE | Not assigned prefix |
| RDF | Empire BCBS of New York (NY) |
| RDG | Anthem BCBS of Ohio (OH) |
| RDH | Anthem BCBS of Ohio (OH) |
| RDI | Not assigned prefix |
| RDJ | Not assigned prefix |
| RDK | Not assigned prefix |
| RDL | Anthem BCBS of Wisconsin (WI) |
| RDM | Highmark BCBS of Pennsylvania (PA) |
| RDN | Blue shield(BS) of California (CA) |
| RDO | Not assigned prefix |
| RDP | Wellmark |
| RDQ | Not assigned prefix |
| RDR | Highmark BCBS of Pennsylvania (PA) |
| RDS | BCBS Blue Care Network Michigan (MI) |
| RDT | Blue shield(BS) of California (CA) |
| RDU | BCBS of North Carolina (NC) |
| RDV | Not assigned prefix |
| RDW | Not assigned prefix |
| RDX | Anthem Blue Cross(BC) of California (CA) |
| RDY | Not assigned prefix |
| RDZ | Highmark BCBS of Pennsylvania (PA) |
| REA | Blue shield(BS) of California (CA) |
| REB | Not assigned prefix |
| REC | Wellmark |
| RED |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| REE | Not assigned prefix |
| REF | BCBS of Texas (TX) |
| REG | Wellmark |
| REH | Not assigned prefix |
| REI | Blue shield(BS) of California (CA) |
| REJ | BCBS Blue Care Network Michigan (MI) |
| REK | Wellmark |
| REL | Not assigned prefix |
| REM | BCBS of Vermont (VT) |
| REN | BCBS Blue Care Network Michigan (MI) |
| REO | Not assigned prefix |
| REP | Empire BCBS of New York (NY) |
| REQ | BCBS of Western New York (WNY) |
| RER | Anthem Blue Cross(BC) of California (CA) |
| RES | Not assigned prefix |
| RET | BCBS of Texas (TX) |
| REU | Anthem Blue Cross(BC) of California (CA) |
| REV | BCBS of Massachusetts (MA) |
| REW | Blue shield(BS) of California (CA) |
| REX | BCBS of Texas (TX) |
| REY | BCBS of Texas (TX) |
| REZ | Not assigned prefix |
| RFA | BCBS of Kansas City |
| RFB | Empire BCBS of New York (NY) |
| RFC | Florida (FL) Blue |
| RFD | BCBS of Minnesota (MN) |
| RFE | Not assigned prefix |
| RFF | BCBS of Minnesota (MN) |
| RFG | Anthem Blue Cross(BC) of California (CA) |
| RFH | BCBS of Illinois (IL) |
| RFI | Not assigned prefix |
| RFJ | Anthem BCBS of Wisconsin (WI) |
| RFK | BCBS of Illinois (IL) |
| RFL | Anthem BCBS of Wisconsin (WI) |
| RFM | Not assigned prefix |
| RFN | Not assigned prefix |
| RFO | BCBS of Kansas City |
| RFP | Anthem BCBS of Wisconsin (WI) |
| RFQ | Not assigned prefix |
| RFR | Not assigned prefix |
| RFS | Blue shield(BS) of California (CA) |
| RFT | Blue shield(BS) of California (CA) |
| RFU | Not assigned prefix |
| RFV | BCBS Blue Care Network Michigan (MI) |
| RFW | Horizon BCBS of New Jersey (NJ) |
| RFX | Blue Cross (BC) of Idaho (ID) |
| RFY | BCBS Blue Care Network Michigan (MI) |
| RFZ | Anthem Blue Cross(BC) of California (CA) |
| RGA | Anthem Blue Cross(BC) of California (CA) |
| RGB | BCBS of Illinois (IL) |
| RGC | BCBS of Texas (TX) |
| RGD | Wellmark |
| RGE | Wellmark |
| RGF | BCBS of North Carolina (NC) |
| RGG | BCBS of Tennessee (TN) |
| RGH | BCBS of Texas (TX) |
| RGI | BCBS Blue Care Network Michigan (MI) |
| RGJ | Not assigned prefix |
| RGK | BCBS of Kansas City |
| RGL | BCBS of Illinois (IL) |
| RGM | Anthem Blue Cross(BC) of California (CA) |
| RGN | BCBS of Alabama (AL) |
| RGO | Regence BCBS |
| RGP | Anthem BCBS of Georgia (GA) |
| RGQ | Not assigned prefix |
| RGR | Not assigned prefix |
| RGS | Blue Cross (BC) of Idaho (ID) |
| RGT | BCBS of Alabama (AL) |
| RGU | Anthem BCBS of Georgia (GA) |
| RGV | BCBS of North Carolina (NC) |
| RGW | Horizon BCBS of New Jersey (NJ) |
| RGX | Anthem BCBS of Virginia (VA) |
| RGY |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RGZ | Anthem BCBS of Ohio (OH) |
| RHA | Blue shield(BS) of California (CA) |
| RHB | Anthem BCBS of Georgia (GA) |
| RHC | Not assigned prefix |
| RHD | Not assigned prefix |
| RHE | Anthem BCBS of Missouri (MO) |
| RHF | Anthem BCBS of Kentucky (KY) |
| RHG | Not assigned prefix |
| RHH | BCBS of Texas (TX) |
| RHI | Not assigned prefix |
| RHJ | Florida (FL) Blue |
| RHK | BCBS of Nebraska (NE) |
| RHL | Premera BCBS of Alaska (AK) |
| RHM | Highmark BCBS of Pennsylvania (PA) |
| RHN | Highmark BCBS of Pennsylvania (PA) |
| RHO | Anthem BCBS of Wisconsin (WI) |
| RHP | Anthem Blue Cross(BC) of California (CA) |
| RHQ | Regence BCBS |
| RHR | Anthem BCBS of Kentucky (KY) |
| RHS | Anthem BCBS of Kentucky (KY) |
| RHT | Anthem BCBS of Georgia (GA) |
| RHU | Anthem BCBS of Virginia (VA) |
| RHV | Highmark BCBS of Pennsylvania (PA) |
| RHW | BCBS of Texas (TX) |
| RHX | Anthem BCBS of Wisconsin (WI) |
| RHY | BCBS of Illinois (IL) |
| RHZ | BCBS of Nebraska (NE) |
| RIA | BCBS of Rhode Island the (RI) |
| RIB | BCBS of Rhode Island the (RI) |
| RIC | Not assigned prefix |
| RID |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RIE | BCBS of Massachusetts (MA) |
| RIF | Highmark BCBS of Pennsylvania (PA) |
| RIG | BCBS Blue Care Network Michigan (MI) |
| RIH | Highmark BCBS of Pennsylvania (PA) |
| RII | Regence BCBS |
| RIJ | Blue shield(BS) of California (CA) |
| RIK | Wellmark |
| RIL | Not assigned prefix |
| RIM | Regence BCBS |
| RIN | BCBS of Rhode Island the (RI) |
| RIO | Not assigned prefix |
| RIP |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RIQ | BCBS Blue Care Network Michigan (MI) |
| RIR | Highmark BCBS of Pennsylvania (PA) |
| RIS | BCBS of Rhode Island the (RI) |
| RIT |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RIU | Anthem BCBS of Kentucky (KY) |
| RIV | Not assigned prefix |
| RIW | Not assigned prefix |
| RIX | Not assigned prefix |
| RIY | Florida (FL) Blue |
| RIZ | BCBS of Alabama (AL) |
| RJA | Not assigned prefix |
| RJB | Not assigned prefix |
| RJC | Anthem BCBS of Kentucky (KY) |
| RJD | Not assigned prefix |
| RJE | Anthem BCBS of Ohio (OH) |
| RJF | Regence BCBS |
| RJG | Not assigned prefix |
| RJH | Wellmark |
| RJI | Not assigned prefix |
| RJJ | Not assigned prefix |
| RJK | BCBS of Oklahoma (OK) |
| RJL | Highmark BCBS of Pennsylvania (PA) |
| RJM | Not assigned prefix |
| RJN | Anthem BCBS of Ohio (OH) |
| RJO | Not assigned prefix |
| RJP | Anthem BCBS of Kentucky (KY) |
| RJQ | Anthem BCBS of Wisconsin (WI) |
| RJR | Highmark BCBS of Pennsylvania (PA) |
| RJS | Florida (FL) Blue |
| RJT | Anthem Blue Cross(BC) of California (CA) |
| RJU | Horizon BCBS of New Jersey (NJ) |
| RJV | BCBS of Illinois (IL) |
| RJW | Anthem BCBS of Indiana (IN) |
| RJX | Horizon BCBS of New Jersey (NJ) |
| RJY | BCBS of Massachusetts (MA) |
| RJZ | BCBS Blue Care Network Michigan (MI) |
| RKA | Not assigned prefix |
| RKB | Not assigned prefix |
| RKC | BCBS of Kansas City |
| RKD |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RKE | Wellmark |
| RKF | Highmark BCBS of Pennsylvania (PA) |
| RKG | BCBS of Minnesota (MN) |
| RKH | BCBS of Illinois (IL) |
| RKI | Anthem Blue Cross(BC) of California (CA) |
| RKJ | Wellmark |
| RKK | Not assigned prefix |
| RKL | Wellmark |
| RKM | Highmark BCBS of Pennsylvania (PA) |
| RKN | BCBS of Kansas City |
| RKO | Not assigned prefix |
| RKP | Wellmark |
| RKQ | BCBS of Kansas City |
| RKR | Wellmark |
| RKS | Anthem BCBS of Virginia (VA) |
| RKT | BCBS of Minnesota (MN) |
| RKU | Horizon BCBS of New Jersey (NJ) |
| RKV | Not assigned prefix |
| RKW | Not assigned prefix |
| RKX | Horizon BCBS of New Jersey (NJ) |
| RKY | Anthem BCBS of Georgia (GA) |
| RKZ | BCBS of Massachusetts (MA) |
| RLA |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RLB | Not assigned prefix |
| RLC | Anthem BCBS of Ohio (OH) |
| RLD | BCBS of Illinois (IL) |
| RLE | BCBS of Nebraska (NE) |
| RLF | Arkansas (AR) Blue Cross |
| RLG | BCBS of Massachusetts (MA) |
| RLH | Not assigned prefix |
| RLI |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RLJ | Anthem BCBS of Virginia (VA) |
| RLK | BCBS of Illinois (IL) |
| RLL | Anthem BCBS of Nevada (NV) |
| RLM | Not assigned prefix |
| RLN | BCBS of Illinois (IL) |
| RLO | BCBS of South Carolina (SC) / Southcarolinablues |
| RLP | BCBS Blue Care Network Michigan (MI) |
| RLQ | Capital Blue Cross of Pennsylvania (PA) |
| RLR | Not assigned prefix |
| RLS | BCBS of Kansas City |
| RLT | BCBS of Rhode Island the (RI) |
| RLU | BCBS of Western New York (WNY) |
| RLV | Anthem BCBS of Wisconsin (WI) |
| RLW | Empire BCBS of New York (NY) |
| RLX | Horizon BCBS of New Jersey (NJ) |
| RLY | Blue shield(BS) of California (CA) |
| RLZ | BCBS of Illinois (IL) |
| RMA | Wellmark |
| RMB | Not assigned prefix |
| RMC | Excellus BCBS of New York (NY) |
| RMD | Anthem BCBS of Kentucky (KY) |
| RME | Not assigned prefix |
| RMF | BCBS Blue Care Network Michigan (MI) |
| RMG | BCBS of Tennessee (TN) |
| RMH | BCBS Blue Care Network Michigan (MI) |
| RMI | Blue Cross (BC) of Idaho (ID) |
| RMJ | Not assigned prefix |
| RMK | Anthem BCBS of Missouri (MO) |
| RML | BCBS of Illinois (IL) |
| RMM | BCBS of South Carolina (SC) / Southcarolinablues |
| RMN |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RMO | BCBS of Western New York (WNY) |
| RMP | Anthem BCBS of Georgia (GA) |
| RMQ | Premera BCBS of Alaska (AK) |
| RMR |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RMS | Premera BCBS of Alaska (AK) |
| RMT | Not assigned prefix |
| RMU | Not assigned prefix |
| RMV | BCBS Blue Care Network Michigan (MI) |
| RMW |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RMX | Blue shield(BS) of California (CA) |
| RMY | Not assigned prefix |
| RMZ | Not assigned prefix |
| RNA | Capital Blue Cross of Pennsylvania (PA) |
| RNB | Regence BCBS |
| RNC | Wellmark |
| RND | BCBS of Illinois (IL) |
| RNE | Anthem Blue Cross(BC) of California (CA) |
| RNF | Anthem BCBS of Colorado (CO) |
| RNG | Anthem BCBS of Georgia (GA) |
| RNH | Anthem BCBS of Wisconsin (WI) |
| RNI | Anthem Blue Cross(BC) of California (CA) |
| RNJ | Anthem BCBS of Georgia (GA) |
| RNK | Anthem BCBS of Wisconsin (WI) |
| RNL | BCBS of Louisiana(LA) |
| RNM | Florida (FL) Blue |
| RNN | Anthem BCBS of Virginia (VA) |
| RNO |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RNP | BCBS of Illinois (IL) |
| RNQ | Wellmark |
| RNR | Not assigned prefix |
| RNS | Not assigned prefix |
| RNT | BCBS of Minnesota (MN) |
| RNU |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RNV | Blue shield(BS) of Northeastern New York (NeNY) |
| RNW | Anthem Blue Cross(BC) of California (CA) |
| RNX | Not assigned prefix |
| RNY | BCBS of Nebraska (NE) |
| RNZ | Not assigned prefix |
| ROA | BCBS of Massachusetts (MA) |
| ROB | Regence BCBS |
| ROC | Not assigned prefix |
| ROD | Not assigned prefix |
| ROE | Not assigned prefix |
| ROF | BCBS of Illinois (IL) |
| ROG | Anthem BCBS of Connecticut (CT) |
| ROH | Not assigned prefix |
| ROI | Not assigned prefix |
| ROJ | Not assigned prefix |
| ROK | Blue shield(BS) of Northeastern New York (NeNY) |
| ROL | Not assigned prefix |
| ROM | Not assigned prefix |
| RON | Blue shield(BS) of California (CA) |
| ROO |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| ROP | Blue shield(BS) of California (CA) |
| ROQ | Not assigned prefix |
| ROR | Anthem BCBS of Ohio (OH) |
| ROS | BCBS of Alabama (AL) |
| ROT | Not assigned prefix |
| ROU | BCBS Blue Care Network Michigan (MI) |
| ROV | BCBS of Western New York (WNY) |
| ROW | Not assigned prefix |
| ROX | BCBS of North Carolina (NC) |
| ROY | Florida (FL) Blue |
| ROZ | Anthem BCBS of Colorado (CO) |
| RPA | Regence BCBS |
| RPB | Anthem BCBS of Kentucky (KY) |
| RPC | BCBS Blue Care Network Michigan (MI) |
| RPD | Blue shield(BS) of California (CA) |
| RPE | Not assigned prefix |
| RPF | Not assigned prefix |
| RPG | Not assigned prefix |
| RPH | Anthem BCBS of Ohio (OH) |
| RPI | Highmark BCBS of Pennsylvania (PA) |
| RPJ | Highmark BCBS of Pennsylvania (PA) |
| RPK | Not assigned prefix |
| RPL | Highmark BCBS of Pennsylvania (PA) |
| RPM | Not assigned prefix |
| RPN | BCBS of North Carolina (NC) |
| RPO | Blue shield(BS) of California (CA) |
| RPP | Anthem BCBS of Georgia (GA) |
| RPQ | Blue shield(BS) of California (CA) |
| RPR | Wellmark |
| RPS | Not assigned prefix |
| RPT | BCBS of Western New York (WNY) |
| RPU | Not assigned prefix |
| RPV | Empire BCBS of New York (NY) |
| RPW | Anthem BCBS of Indiana (IN) |
| RPX | BCBS of Illinois (IL) |
| RPY | Arkansas (AR) Blue Cross |
| RPZ | BCBS of Louisiana(LA) |
| RQA | Wellmark |
| RQB | BCBS of Western New York (WNY) |
| RQC | BCBS of Illinois (IL) |
| RQD | Not assigned prefix |
| RQE | Not assigned prefix |
| RQF | BCBS Blue Care Network Michigan (MI) |
| RQG | Highmark BCBS of Pennsylvania (PA) |
| RQH | BCBS of Western New York (WNY) |
| RQI | BCBS of Alabama (AL) |
| RQJ | Anthem BCBS of Ohio (OH) |
| RQK | Not assigned prefix |
| RQL | Not assigned prefix |
| RQM | BCBS of Massachusetts (MA) |
| RQN | Not assigned prefix |
| RQO | BCBS Blue Care Network Michigan (MI) |
| RQP | Anthem BCBS of Georgia (GA) |
| RQQ | Not assigned prefix |
| RQR | Wellmark |
| RQS | Blue Cross (BC) of Idaho (ID) |
| RQT | Not assigned prefix |
| RQU | Wellmark |
| RQV | Horizon BCBS of New Jersey (NJ) |
| RQW | BCBS of Massachusetts (MA) |
| RQX | BCBS Blue Care Network Michigan (MI) |
| RQY | BCBS Blue Care Network Michigan (MI) |
| RQZ | Premera BCBS of Alaska (AK) |
| RRA | Anthem BCBS of Ohio (OH) |
| RRB | Anthem BCBS of Indiana (IN) |
| RRC | BCBS of Alabama (AL) |
| RRD | Not assigned prefix |
| RRE | Anthem BCBS of Ohio (OH) |
| RRF | Anthem BCBS of Ohio (OH) |
| RRG | Not assigned prefix |
| RRH | Not assigned prefix |
| RRI |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RRJ | BCBS of Illinois (IL) |
| RRK | BCBS of Kansas City |
| RRL | Anthem BCBS of Kentucky (KY) |
| RRM | Anthem BCBS of Georgia (GA) |
| RRN | BCBS of Alabama (AL) |
| RRO | BCBS of Massachusetts (MA) |
| RRP | Regence BCBS |
| RRQ | Not assigned prefix |
| RRR | Not assigned prefix |
| RRS | BCBS of Illinois (IL) |
| RRT | Regence BCBS |
| RRU | Not assigned prefix |
| RRV | Anthem Blue Cross(BC) of California (CA) |
| RRW | BCBS of Alabama (AL) |
| RRX | Florida (FL) Explore my Plan |
| RRY | BCBS of Texas (TX) |
| RRZ | Wellmark |
| RSA | Not assigned prefix |
| RSB | Anthem Blue Cross(BC) of California (CA) |
| RSC | Not assigned prefix |
| RSD | BCBS of Vermont (VT) |
| RSE | Anthem BCBS of Missouri (MO) |
| RSF | Not assigned prefix |
| RSG | BCBS of Massachusetts (MA) |
| RSH | BCBS of Western New York (WNY) |
| RSI | Anthem BCBS of Wisconsin (WI) |
| RSJ | Not assigned prefix |
| RSK | BCBS of South Carolina (SC) / Southcarolinablues |
| RSL | Not assigned prefix |
| RSM | Anthem BCBS of Virginia (VA) |
| RSN | BCBS of Illinois (IL) |
| RSO | Blue shield(BS) of California (CA) |
| RSP | Not assigned prefix |
| RSQ |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RSR | BCBS of Illinois (IL) |
| RSS | Anthem BCBS of Georgia (GA) |
| RST | Capital Blue Cross of Pennsylvania (PA) |
| RSU | BCBS of Alabama (AL) |
| RSV | BCBS of Minnesota (MN) |
| RSW | Wellmark |
| RSX |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RSY | Anthem Blue Cross(BC) of California (CA) |
| RSZ | BCBS of Alabama (AL) |
| RTA | BCBS of North Carolina (NC) |
| RTB | Anthem BCBS of Wisconsin (WI) |
| RTC | Florida (FL) Blue |
| RTD | Anthem BCBS of Wisconsin (WI) |
| RTE | BCBS of North Carolina (NC) |
| RTF | Anthem BCBS of Georgia (GA) |
| RTG | Not assigned prefix |
| RTH | BCBS Blue Care Network Michigan (MI) |
| RTI | Wellmark |
| RTJ | Not assigned prefix |
| RTK | Florida (FL) Blue |
| RTL | Florida (FL) Blue |
| RTM | Not assigned prefix |
| RTN | Not assigned prefix |
| RTO | BCBS of Massachusetts (MA) |
| RTP | BCBS of Tennessee (TN) |
| RTQ | Not assigned prefix |
| RTR | Not assigned prefix |
| RTS | Wellmark |
| RTT | BCBS of South Carolina (SC) / Southcarolinablues |
| RTU | BCBS of Alabama (AL) |
| RTV | Not assigned prefix |
| RTW | Anthem BCBS of Georgia (GA) |
| RTX | Not assigned prefix |
| RTY | Not assigned prefix |
| RTZ | Not assigned prefix |
| RUA | Wellmark |
| RUB | BCBS of Texas (TX) |
| RUC | Anthem BCBS of Missouri (MO) |
| RUD | Wellmark |
| RUE | BCBS of Alabama (AL) |
| RUF | Wellmark |
| RUG | Horizon BCBS of New Jersey (NJ) |
| RUH | Not assigned prefix |
| RUI | Not assigned prefix |
| RUJ | Premera BCBS of Alaska (AK) |
| RUK | Not assigned prefix |
| RUL | Not assigned prefix |
| RUM | BCBS of Texas (TX) |
| RUN | Not assigned prefix |
| RUO | Wellmark |
| RUP | Wellmark |
| RUQ | Highmark BCBS of Pennsylvania (PA) |
| RUR | BCBS of Massachusetts (MA) |
| RUS | BCBS of Massachusetts (MA) |
| RUT |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RUU |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RUV | BCBS of Illinois (IL) |
| RUW |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RUX |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RUY | Not assigned prefix |
| RUZ | Not assigned prefix |
| RVA | BCBS of Western New York (WNY) |
| RVB | BCBS of South Carolina (SC) / Southcarolinablues |
| RVC | BCBS of Illinois (IL) |
| RVD | BCBS of Western New York (WNY) |
| RVE | Not assigned prefix |
| RVF | BCBS of Alabama (AL) |
| RVG | Not assigned prefix |
| RVH | Not assigned prefix |
| RVI | Wellmark |
| RVJ | Wellmark |
| RVK | Not assigned prefix |
| RVL | Not assigned prefix |
| RVM | BCBS of Minnesota (MN) |
| RVN | Not assigned prefix |
| RVO | Blue shield(BS) of California (CA) |
| RVP | Anthem Blue Cross(BC) of California (CA) |
| RVQ | Anthem Blue Cross(BC) of California (CA) |
| RVR | Premera BCBS of Alaska (AK) |
| RVS | Anthem Blue Cross(BC) of California (CA) |
| RVT | Not assigned prefix |
| RVU | Wellmark |
| RVV | Not assigned prefix |
| RVW | Not assigned prefix |
| RVX | Anthem BCBS of Kentucky (KY) |
| RVY | Anthem Blue Cross(BC) of California (CA) |
| RVZ | Empire BCBS of New York (NY) |
| RWA | BCBS of Texas (TX) |
| RWB | Empire BCBS of New York (NY) |
| RWC | Not assigned prefix |
| RWD | BCBS of Western New York (WNY) |
| RWE | Not assigned prefix |
| RWF |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RWG | Regence BCBS |
| RWH | Not assigned prefix |
| RWI | BCBS of Minnesota (MN) |
| RWJ | Anthem BCBS of Missouri (MO) |
| RWK |
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
|
| RWL | BCBS of Massachusetts (MA) |
| RWM | Horizon BCBS of New Jersey (NJ) |
| RWN | Not assigned prefix |
| RWO | Highmark BCBS of Pennsylvania (PA) |
| RWP | Anthem Blue Cross(BC) of California (CA) |
| RWQ | Not assigned prefix |
| RWR | Wellmark |
| RWS | BCBS of Minnesota (MN) |
| RWT | Anthem BCBS of Missouri (MO) |
| RWU | Anthem BCBS of Missouri (MO) |
| RWV | Anthem BCBS of Missouri (MO) |
| RWW | Not assigned prefix |
| RWX | Horizon BCBS of New Jersey (NJ) |
| RWY | Horizon BCBS of New Jersey (NJ) |
| RWZ | Anthem BCBS of Kentucky (KY) |
| RXA | BCBS of Texas (TX) |
| RXB | BCBS of Texas (TX) |
| RXC | BCBS of Texas (TX) |
| RXD | BCBS of Texas (TX) |
| RXE | BCBS of Illinois (IL) |
| RXF | Regence BCBS |
| RXG | Anthem BCBS of Connecticut (CT) |
| RXH | Not assigned prefix |
| RXI | BCBS of Alabama (AL) |
| RXJ | Not assigned prefix |
| RXK | BCBS of Illinois (IL) |
| RXL | Not assigned prefix |
| RXM | Not assigned prefix |
| RXN | BCBS of Texas (TX) |
| RXO | Anthem Blue Cross(BC) of California (CA) |
| RXP | Not assigned prefix |
| RXQ | Not assigned prefix |
| RXR | Horizon BCBS of New Jersey (NJ) |
| RXS | Anthem BCBS of Ohio (OH) |
| RXT | BCBS Blue Care Network Michigan (MI) |
| RXU | Not assigned prefix |
| RXV | Not assigned prefix |
| RXW | Not assigned prefix |
| RXX | BCBS of Illinois (IL) |
| RXY | Not assigned prefix |
| RXZ | BCBS of Massachusetts (MA) |
| RYA | Not assigned prefix |
| RYB |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RYC | Not assigned prefix |
| RYD | BCBS of Illinois (IL) |
| RYE | Anthem BCBS of Connecticut (CT) |
| RYF | BCBS of Illinois (IL) |
| RYG | Anthem BCBS of Ohio (OH) |
| RYH | Not assigned prefix |
| RYI | Regence BCBS |
| RYJ | Horizon BCBS of New Jersey (NJ) |
| RYK | Anthem BCBS of Ohio (OH) |
| RYL | Anthem BCBS of Virginia (VA) |
| RYM | Not assigned prefix |
| RYN | Not assigned prefix |
| RYO | Anthem BCBS of Ohio (OH) |
| RYP | Not assigned prefix |
| RYQ | Florida (FL) Blue |
| RYR | BCBS Blue Care Network Michigan (MI) |
| RYS | Not assigned prefix |
| RYT | Blue shield(BS) of California (CA) |
| RYU | BCBS of Alabama (AL) |
| RYV | Anthem BCBS of Connecticut (CT) |
| RYW | Not assigned prefix |
| RYX | Not assigned prefix |
| RYY | Not assigned prefix |
| RYZ | Not assigned prefix |
| RZA | Anthem BCBS of Ohio (OH) |
| RZB | BCBS of Illinois (IL) |
| RZC | Not assigned prefix |
| RZD | BCBS of Texas (TX) |
| RZE | BCBS of Illinois (IL) |
| RZF | Anthem BCBS of Indiana (IN) |
| RZG | Premera BCBS of Alaska (AK) |
| RZH | Wellmark |
| RZI | BCBS Blue Care Network Michigan (MI) |
| RZJ | Not assigned prefix |
| RZK | BCBS of Illinois (IL) |
| RZL |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RZM | BCBS of Tennessee (TN) |
| RZN | BCBS of Tennessee (TN) |
| RZO | Blue shield(BS) of California (CA) |
| RZP | BCBS of Alabama (AL) |
| RZQ | Not assigned prefix |
| RZR |
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
|
| RZS | Not assigned prefix |
| RZT | Anthem BCBS of Connecticut (CT) |
| RZU | BCBS of Illinois (IL) |
| RZV | Anthem BCBS of Ohio (OH) |
| RZW | BCBS of Western New York (WNY) |
| RZX | Not assigned prefix |
| RZY | BCBS of Western New York (WNY) |
| RZZ | Anthem BCBS of Missouri (MO) |
