| LAA | BCBS of Illinois (IL) |
| LAB | BCBS Blue Care Network Michigan (MI) |
| LAC | Anthem BCBS of Kentucky (KY) |
| LAD | Regence BCBS |
| LAE | Unassigned Prefix |
| LAF | Anthem BCBS of Virginia (VA) |
| LAG | BCBS of North Carolina (NC) |
| LAH | Unassigned Prefix |
| LAI | Unassigned Prefix |
| LAJ | BCBS of New Mexico (NM) |
| LAK | BCBS of Illinois (IL) |
| LAL | BCBS of Alabama (AL) |
| LAM | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LAN | Anthem BCBS of Ohio (OH) |
| LAO | Highmark BCBS of Pennsylvania (PA) |
| LAP | Blue Shield (BS) of California (CA) |
| LAQ | Unassigned Prefix |
| LAR | BCBS of Illinois (IL) |
| LAS | BCBS of South Carolina (SC) / Southcarolinablues |
| LAT | Blue Shield (BS) of California (CA) |
| LAU | BCBS of Kansas City |
| LAV | Anthem Blue Cross(BC) of California (CA) |
| LAW | BCBS of South Carolina (SC) / Southcarolinablues |
| LAX | Unassigned Prefix |
| LAY | Arkansas (AR) Blue Cross |
| LAZ | Blue Shield (BS) of California (CA) |
| LBA | Unassigned Prefix |
| LBB | Anthem BCBS of Ohio (OH) |
| LBC | Capital Blue Cross of Pennsylvania (PA) |
| LBD | Anthem BCBS of Ohio (OH) |
| LBE | BCBS of Tennessee (TN) |
| LBF | BCBS of Tennessee (TN) |
| LBG | BCBS of South Carolina (SC) / Southcarolinablues |
| LBH | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LBI | Anthem BCBS of Ohio (OH) |
| LBJ | Unassigned Prefix |
| LBK | Unassigned Prefix |
| LBL | BCBS of Massachusetts (MA) |
| LBM | Highmark BCBS of Pennsylvania (PA) |
| LBN | Anthem BCBS of Wisconsin (WI) |
| LBO | Premera BCBS of Alaska (AK) |
| LBP | BCBS of Oklahoma (OK) |
| LBQ | Wellmark |
| LBR | Premera BCBS of Alaska (AK) |
| LBS | BCBS of Massachusetts (MA) |
| LBT | Empire BCBS of New York (NY) |
| LBU | Anthem BCBS of Virginia (VA) |
| LBV | Unassigned Prefix |
| LBW | BCBS of South Carolina (SC) / Southcarolinablues |
| LBX | BCBS of Texas (TX) |
| LBY | Unassigned Prefix |
| LBZ | Unassigned Prefix |
| LCA | Wellmark |
| LCB BCBS Prefix | BCBS of Illinois (IL) |
| LCC | Anthem BCBS of Georgia (GA) |
| LCD | Anthem BCBS of Missouri (MO) |
| LCE | BCBS of South Carolina (SC) / Southcarolinablues |
| LCF | Anthem BCBS of Virginia (VA) |
| LCG | BCBS of North Carolina (NC) |
| LCH | BCBS of Illinois (IL) |
| LCI | BCBS of North Carolina (NC) |
| LCJ | Florida (FL) Blue |
| LCK | Florida (FL) Blue |
| LCL | Empire BCBS of New York (NY) |
| LCM | Anthem BCBS of Wisconsin (WI) |
| LCN | BCBS of Tennessee (TN) |
| LCO | BCBS of Alabama (AL) |
| LCP | BCBS of Nebraska (NE) |
| LCQ | BCBS of Tennessee (TN) |
| LCR | Anthem Blue Cross(BC) of California (CA) |
| LCS | Highmark BCBS of Pennsylvania (PA) |
| LCT | BCBS of Oklahoma (OK) |
| LCU | Unassigned Prefix |
| LCV | Florida (FL) Blue |
| LCW | Wellmark |
| LCX | BCBS of Rhode Island (RI) |
| LCY | BCBS of North Carolina (NC) |
| LCZ | Anthem BCBS of Ohio (OH) |
| LDA | Regence BCBS |
| LDB | Anthem Blue Cross(BC) of California (CA) |
| LDC | BCBS of Illinois (IL) |
| LDD | BCBS of South Carolina (SC) / Southcarolinablues |
| LDE | BCBS of Texas (TX) |
| LDF | BCBS of South Carolina (SC) / Southcarolinablues |
| LDG | Anthem Blue Cross(BC) of California (CA) |
| LDH | Wellmark |
| LDI | BCBS of Minnesota (MN) |
| LDJ | Anthem BCBS of Virginia (VA) |
| LDK | BCBS of Western New York (WNY) |
| LDL | Anthem BCBS of Ohio (OH) |
| LDM | BCBS Blue Care Network Michigan (MI) |
| LDN | Highmark BCBS of Pennsylvania (PA) |
| LDO | Anthem BCBS of Georgia (GA) |
| LDP | Arkansas (AR) Blue Cross |
| LDQ | Anthem BCBS of Kentucky (KY) |
| LDR | Anthem BCBS of Georgia (GA) |
| LDS | Wellmark |
| LDT | Empire BCBS of New York (NY) |
| LDU | Anthem Blue Cross(BC) of California (CA) |
| LDV | BCBS of Massachusetts (MA) |
| LDW | Unassigned Prefix |
| LDX | Unassigned Prefix |
| LDY | Horizon BCBS of New Jersey (NJ) |
| LDZ | Anthem BCBS of Ohio (OH) |
| LEA | Anthem BCBS of Kentucky (KY) |
| LEB | Anthem Blue Cross(BC) of California (CA) |
| LEC | BCBS Blue Care Network Michigan (MI) |
| LED | BCBS of Illinois (IL) |
| LEE | Premera BCBS of Alaska (AK) |
| LEF | Unassigned Prefix |
| LEG | BCBS of Illinois (IL) |
| LEH | Unassigned Prefix |
| LEI | Unassigned Prefix |
| LEJ | Anthem BCBS of Wisconsin (WI) |
| LEK | Unassigned Prefix |
| LEL | BCBS of Illinois (IL) |
| LEM | Anthem BCBS of Wisconsin (WI) |
| LEN | Blue shield(BS) of Northeastern New York (NeNY) |
| LEO | BCBS Blue Care Network Michigan (MI) |
| LEP | BCBS of Texas (TX) |
| LEQ | BCBS of South Carolina (SC) / Southcarolinablues |
| LER | BCBS of Massachusetts (MA) |
| LES | Horizon BCBS of New Jersey (NJ) |
| LET | BCBS of Western New York (WNY) |
| LEU | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LEV | BCBS of Louisiana(LA) |
| LEW | Anthem Blue Cross(BC) of California (CA) |
| LEX | Anthem BCBS of Georgia (GA) |
| LEY | BCBS of North Carolina (NC) |
| LEZ | BCBS of Arizona (AZ) |
| LFA | Arkansas (AR) Blue Cross |
| LFB | BCBS of Illinois (IL) |
| LFC | BCBS of Minnesota (MN) |
| LFD | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LFE | BCBS of Minnesota (MN) |
| LFF | Wellmark |
| LFG | BCBS of Tennessee (TN) |
| LFH | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LFI | BCBS Blue Care Network Michigan (MI) |
| LFJ | Unassigned Prefix |
| LFK | BCBS of Texas (TX) |
| LFL | Unassigned Prefix |
| LFM | BCBS of Illinois (IL) |
| LFN | Unassigned Prefix |
| LFO | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LFP | BCBS of Louisiana(LA) |
| LFQ | Unassigned Prefix |
| LFR | BCBS of North Carolina (NC) |
| LFS | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LFT | Unassigned Prefix |
| LFU | Unassigned Prefix |
| LFV | BCBS of Texas (TX) |
| LFW | Unassigned Prefix |
| LFX | BCBS of Kansas City |
| LFY BCBS Prefix | Anthem Blue Cross(BC) of California (CA) |
| LFZ | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LGA | Anthem BCBS of Ohio (OH) |
| LGB | BCBS of Alabama (AL) |
| LGC | Anthem BCBS of Kentucky (KY) |
| LGD | Anthem BCBS of Missouri (MO) |
| LGE | Anthem BCBS of Kentucky (KY) |
| LGF | Unassigned Prefix |
| LGG | Unassigned Prefix |
| LGH | Anthem BCBS of Kentucky (KY) |
| LGI | BCBS of Massachusetts (MA) |
| LGJ | Anthem BCBS of Missouri (MO) |
| LGK | BCBS of South Carolina (SC) / Southcarolinablues |
| LGL | Highmark BCBS of Pennsylvania (PA) |
| LGM | Arkansas (AR) Blue Cross |
| LGN | Florida (FL) Blue |
| LGO | Anthem BCBS of Georgia (GA) |
| LGP | BCBS of Illinois (IL) |
| LGQ | BCBS of North Carolina (NC) |
| LGR | Anthem BCBS of Missouri (MO) |
| LGS | BCBS of Alabama (AL) |
| LGT | BCBS of Illinois (IL) |
| LGU | Anthem BCBS of Missouri (MO) |
| LGV | Unassigned Prefix |
| LGW | Anthem BCBS of Missouri (MO) |
| LGX | Unassigned Prefix |
| LGY | BCBS of Texas (TX) |
| LGZ | Anthem BCBS of Missouri (MO) |
| LHA | Unassigned Prefix |
| LHB | Anthem BCBS of Virginia (VA) |
| LHC | Anthem BCBS of Virginia (VA) |
| LHD | Wellmark |
| LHE | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LHF | Anthem BCBS of Virginia (VA) |
| LHG | Unassigned Prefix |
| LHH | BCBS of South Carolina (SC) / Southcarolinablues |
| LHI | BCBS of Massachusetts (MA) |
| LHJ | Highmark BCBS of Pennsylvania (PA) |
| LHK | Unassigned Prefix |
| LHL | Unassigned Prefix |
| LHM | Empire BCBS of New York (NY) |
| LHN | BCBS of Kansas City |
| LHO | Anthem BCBS of Kentucky (KY) |
| LHP BCBS Prefix | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LHQ | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LHR | Anthem BCBS of Ohio (OH) |
| LHS | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LHT | Unassigned Prefix |
| LHU | Regence BCBS |
| LHV | Anthem Blue Cross(BC) of California (CA) |
| LHW | Empire BCBS of New York (NY) |
| LHX | BCBS of Texas (TX) |
| LHY | Unassigned Prefix |
| LHZ | Anthem BCBS of Wisconsin (WI) |
| LIA | BCBS of Massachusetts (MA) |
| LIB | Anthem BCBS of Virginia (VA) |
| LIC | Unassigned Prefix |
| LID | Unassigned Prefix |
| LIE | BCBS Blue Care Network Michigan (MI) |
| LIF | Wellmark |
| LIG | Blue Cross (BC) of Idaho (ID) |
| LIH | Unassigned Prefix |
| LII | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LIJ | Unassigned Prefix |
| LIK | Unassigned Prefix |
| LIL | Wellmark |
| LIM | BCBS of Nebraska (NE) |
| LIN | BCBS of Nebraska (NE) |
| LIO | Blue Shield (BS) of California (CA) |
| LIP | Unassigned Prefix |
| LIQ | Unassigned Prefix |
| LIR | Unassigned Prefix |
| LIS | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LIT | Premera BCBS of Alaska (AK) |
| LIU | BCBS of Rhode Island (RI) |
| LIV | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LIW | Unassigned Prefix |
| LIX | Blue Shield (BS) of California (CA) |
| LIY | Unassigned Prefix |
| LIZ | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LJA | Anthem BCBS of Georgia (GA) |
| LJB | Unassigned Prefix |
| LJC | BCBS of Illinois (IL) |
| LJD | Unassigned Prefix |
| LJE | BCBS of Illinois (IL) |
| LJF | Unassigned Prefix |
| LJG | Excellus BCBS of New York (NY) |
| LJH | Wellmark |
| LJI | Blue shield(BS) of Northeastern New York (NeNY) |
| LJJ | Blue Shield (BS) of California (CA) |
| LJK | BCBS of South Carolina (SC) / Southcarolinablues |
| LJL | Unassigned Prefix |
| LJM | Highmark BCBS of Pennsylvania (PA) |
| LJN | Unassigned Prefix |
| LJO | BCBS Blue Care Network Michigan (MI) |
| LJP | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LJQ | Unassigned Prefix |
| LJR | Anthem BCBS of Wisconsin (WI) |
| LJS | BCBS of Illinois (IL) |
| LJT | Unassigned Prefix |
| LJU | Unassigned Prefix |
| LJV | BCBS of Minnesota (MN) |
| LJW | Unassigned Prefix |
| LJX | BCBS of Illinois (IL) |
| LJY | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LJZ | Unassigned Prefix |
| LKA | BCBS of Massachusetts (MA) |
| LKB | BCBS of Massachusetts (MA) |
| LKC | BCBS of Western New York (WNY) |
| LKD | BCBS of Tennessee (TN) |
| LKE | BCBS of Tennessee (TN) |
| LKF | Horizon BCBS of New Jersey (NJ) |
| LKG | Premera BCBS of Alaska (AK) |
| LKH | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LKI | Blue Shield (BS) of California (CA) |
| LKJ | BCBS of Minnesota (MN) |
| LKK | Blue shield(BS) of Northeastern New York (NeNY) |
| LKL | Anthem BCBS of Kentucky (KY) |
| LKM | BCBS of Minnesota (MN) |
| LKN | Anthem BCBS of Ohio (OH) |
| LKO | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LKP | Florida (FL) Blue |
| LKQ | BCBS of Illinois (IL) |
| LKR | BCBS of Massachusetts (MA) |
| LKS | Anthem Blue Cross(BC) of California (CA) |
| LKT | BCBS of Western New York (WNY) |
| LKU | Wellmark |
| LKV | BCBS of Nebraska (NE) |
| LKW | BCBS of Tennessee (TN) |
| LKX | Empire BCBS of New York (NY) |
| LKY | Anthem BCBS of Virginia (VA) |
| LKZ | BCBS of North Carolina (NC) |
| LLA | Unassigned Prefix |
| LLB | BCBS of Illinois (IL) |
| LLC | BCBS of Louisiana(LA) |
| LLD | Blue Shield (BS) of California (CA) |
| LLE | Unassigned Prefix |
| LLF | Unassigned Prefix |
| LLG | Unassigned Prefix |
| LLH | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LLI | Unassigned Prefix |
| LLJ | Unassigned Prefix |
| LLK | Wellmark |
| LLL | BCBS of Texas (TX) |
| LLM | Highmark BCBS of Pennsylvania (PA) |
| LLN | Anthem BCBS of Ohio (OH) |
| LLO | Unassigned Prefix |
| LLP | Capital Blue Cross of Pennsylvania (PA) |
| LLQ | Anthem BCBS of Connecticut (CT) |
| LLR | Highmark BCBS of Pennsylvania (PA) |
| LLS | BCBS of Illinois (IL) |
| LLT | Anthem Blue Cross(BC) of California (CA) |
| LLU | Unassigned Prefix |
| LLV | Blue Shield (BS) of California (CA) |
| LLW | Anthem BCBS of Wisconsin (WI) |
| LLX | Empire BCBS of New York (NY) |
| LLY | Anthem BCBS of Ohio (OH) |
| LLZ | Anthem BCBS of Virginia (VA) |
| LMA | Unassigned Prefix |
| LMB | Anthem BCBS of Ohio (OH) |
| LMC | Regence BCBS |
| LMD | Empire BCBS of New York (NY) |
| LME | Anthem Blue Cross(BC) of California (CA) |
| LMF | BCBS of Nebraska (NE) |
| LMG | Regence BCBS |
| LMH | Anthem BCBS of Ohio (OH) |
| LMI | Unassigned Prefix |
| LMJ | Anthem BCBS of Wisconsin (WI) |
| LMK | Anthem BCBS of Indiana (IN) |
| LML | Anthem BCBS of Kentucky (KY) |
| LMM | BCBS of Vermont (VT) |
| LMN BCBS Prefix | Anthem BCBS of Connecticut (CT) |
| LMO | Unassigned Prefix |
| LMP | Anthem BCBS of Virginia (VA) |
| LMQ | Unassigned Prefix |
| LMR | Anthem Blue Cross(BC) of California (CA) |
| LMS | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LMT | Unassigned Prefix |
| LMU | Unassigned Prefix |
| LMV | Anthem BCBS of Kentucky (KY) |
| LMW | Anthem BCBS of Wisconsin (WI) |
| LMX | Wellmark |
| LMY | Unassigned Prefix |
| LMZ | Anthem BCBS of Ohio (OH) |
| LNA | Wellmark |
| LNB | BCBS of Illinois (IL) |
| LNC | Anthem BCBS of Ohio (OH) |
| LND | Unassigned Prefix |
| LNE | Wellmark |
| LNF | Anthem BCBS of Virginia (VA) |
| LNG | BCBS Blue Care Network Michigan (MI) |
| LNH | BCBS of South Carolina (SC) / Southcarolinablues |
| LNI | Unassigned Prefix |
| LNJ | Unassigned Prefix |
| LNK | Anthem BCBS of Wisconsin (WI) |
| LNL | Anthem Blue Cross(BC) of California (CA) |
| LNM | BCBS of Minnesota (MN) |
| LNN | BCBS of North Carolina (NC) |
| LNO | BCBS of Alabama (AL) |
| LNP | BCBS of Alabama (AL) |
| LNQ | Unassigned Prefix |
| LNR | Anthem BCBS of Wisconsin (WI) |
| LNS | BCBS of Alabama (AL) |
| LNT | BCBS of Arizona (AZ) |
| LNU | Empire BCBS of New York (NY) |
| LNV | Anthem Blue Cross(BC) of California (CA) |
| LNW | Highmark BCBS of Pennsylvania (PA) |
| LNX | Anthem BCBS of Wisconsin (WI) |
| LNY | Wellmark |
| LNZ | BCBS of Alabama (AL) |
| LOA | BCBS of Minnesota (MN) |
| LOB | BCBS of Minnesota (MN) |
| LOC | Unassigned Prefix |
| LOD | Unassigned Prefix |
| LOE | Anthem Blue Cross(BC) of California (CA) |
| LOF | Anthem BCBS of Indiana (IN) |
| LOG | BCBS of Rhode Island (RI) |
| LOH | Anthem BCBS of Virginia (VA) |
| LOI | Blue Shield (BS) of California (CA) |
| LOJ | BCBS Blue Care Network Michigan (MI) |
| LOK | Highmark BCBS of Pennsylvania (PA) |
| LOL | BCBS of Minnesota (MN) |
| LOM | Highmark BCBS of Pennsylvania (PA) |
| LON | Anthem BCBS of Ohio (OH) |
| LOO | Unassigned Prefix |
| LOP | Unassigned Prefix |
| LOQ | Anthem BCBS of Georgia (GA) |
| LOR | BCBS of Illinois (IL) |
| LOS | Anthem BCBS of Colorado (CO) |
| LOT | Unassigned Prefix |
| LOU | Unassigned Prefix |
| LOV | Unassigned Prefix |
| LOW | BCBS Blue Care Network Michigan (MI) |
| LOX | Blue Shield (BS) of California (CA) |
| LOY | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LOZ | Highmark BCBS of Pennsylvania (PA) |
| LPA | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LPB | Unassigned Prefix |
| LPC | Unassigned Prefix |
| LPD | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LPE | Highmark BCBS of Pennsylvania (PA) |
| LPF | Unassigned Prefix |
| LPG | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LPH | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LPI | BCBS of Texas (TX) |
| LPJ | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LPK | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LPL | Unassigned Prefix |
| LPM | Unassigned Prefix |
| LPN | Unassigned Prefix |
| LPO | Highmark BCBS of Pennsylvania (PA) |
| LPP | Empire BCBS of New York (NY) |
| LPQ | BCBS Blue Care Network Michigan (MI) |
| LPR | Anthem BCBS of Ohio (OH) |
| LPS | Premera BCBS of Alaska (AK) |
| LPT | Regence BCBS |
| LPU | Anthem Blue Cross(BC) of California (CA) |
| LPV | Highmark BCBS of Pennsylvania (PA) |
| LPW | Unassigned Prefix |
| LPX | BCBS of Tennessee (TN) |
| LPY | Highmark BCBS of Pennsylvania (PA) |
| LPZ | Anthem Blue Cross(BC) of California (CA) |
| LQA | BCBS of Alabama (AL) |
| LQB | BCBS of Western New York (WNY) |
| LQC | Unassigned Prefix |
| LQD | Unassigned Prefix |
| LQE | Unassigned Prefix |
| LQF | BCBS of Tennessee (TN) |
| LQG | BCBS of Tennessee (TN) |
| LQH | Wellmark |
| LQI | Unassigned Prefix |
| LQJ | Unassigned Prefix |
| LQK | Wellmark |
| LQL | Premera BCBS of Alaska (AK) |
| LQM | Unassigned Prefix |
| LQN | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LQO | Anthem BCBS of Ohio (OH) |
| LQP | BCBS of Rhode Island (RI) |
| LQQ | Unassigned Prefix |
| LQR | BCBS of Illinois (IL) |
| LQS | BCBS of Massachusetts (MA) |
| LQT | BCBS of Illinois (IL) |
| LQU | BCBS Blue Care Network Michigan (MI) |
| LQV | Unassigned Prefix |
| LQW | Florida (FL) Blue |
| LQX | Unassigned Prefix |
| LQY | Anthem BCBS of Ohio (OH) |
| LQZ | Anthem BCBS of Georgia (GA) |
| LRA | BCBS of Tennessee (TN) |
| LRB | Unassigned Prefix |
| LRC | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LRD | BCBS of Tennessee (TN) |
| LRE | BCBS of Tennessee (TN) |
| LRF | Anthem BCBS of Missouri (MO) |
| LRG | Unassigned Prefix |
| LRH | Wellmark |
| LRI | Unassigned Prefix |
| LRJ | BCBS of Minnesota (MN) |
| LRK | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LRL | Highmark BCBS of Pennsylvania (PA) |
| LRM | Unassigned Prefix |
| LRN | Unassigned Prefix |
| LRO | BCBS of Alabama (AL) |
| LRP | BCBS Blue Care Network Michigan (MI) |
| LRQ | BCBS Blue Care Network Michigan (MI) |
| LRR | Premera BCBS of Alaska (AK) |
| LRS | BCBS Blue Care Network Michigan (MI) |
| LRT | BCBS of Minnesota (MN) |
| LRU | Anthem Blue Cross(BC) of California (CA) |
| LRV | Unassigned Prefix |
| LRW | Unassigned Prefix |
| LRX | Anthem BCBS of Georgia (GA) |
| LRY | Anthem BCBS of New Hampshire (NH) |
| LRZ | Wellmark |
| LSA | Anthem Blue Cross(BC) of California (CA) |
| LSB | BCBS of Illinois (IL) |
| LSC | Florida (FL) Blue |
| LSD | BCBS of Illinois (IL) |
| LSE | Anthem Blue Cross(BC) of California (CA) |
| LSF | Florida (FL) Blue |
| LSG | Wellmark |
| LSH | Horizon BCBS of New Jersey (NJ) |
| LSI | Unassigned Prefix |
| LSJ BCBS Prefix | BCBS of Illinois (IL) |
| LSK | Blue Shield (BS) of California (CA) |
| LSL | Regence BCBS |
| LSM | Florida (FL) Blue |
| LSN | Wellmark |
| LSO | Anthem BCBS of Wisconsin (WI) |
| LSP | BCBS of Louisiana(LA) |
| LSQ | BCBS of South Carolina (SC) / Southcarolinablues |
| LSR | BCBS of Kansas |
| LSS | Anthem BCBS of Wisconsin (WI) |
| LST | BCBS of North Carolina (NC) |
| LSU | Unassigned Prefix |
| LSV | Unassigned Prefix |
| LSW | Horizon BCBS of New Jersey (NJ) |
| LSX | BCBS of Texas (TX) |
| LSY | Anthem BCBS of Wisconsin (WI) |
| LSZ | Unassigned Prefix |
| LTA | Blue Shield (BS) of California (CA) |
| LTB | Anthem Blue Cross(BC) of California (CA) |
| LTC | Anthem Blue Cross(BC) of California (CA) |
| LTD | Wellmark |
| LTE | BCBS of North Carolina (NC) |
| LTF | Regence BCBS |
| LTG | Unassigned Prefix |
| LTH | BCBS of Massachusetts (MA) |
| LTI | Unassigned Prefix |
| LTJ | Highmark BCBS of Pennsylvania (PA) |
| LTK | BCBS of Minnesota (MN) |
| LTL | Anthem BCBS of Wisconsin (WI) |
| LTM | Unassigned Prefix |
| LTN | Unassigned Prefix |
| LTO | BCBS of Nebraska (NE) |
| LTP | BCBS of Minnesota (MN) |
| LTQ | BCBS of South Carolina (SC) / Southcarolinablues |
| LTR | BCBS Blue Care Network Michigan (MI) |
| LTS | Regence BCBS |
| LTT | Blue Shield (BS) of California (CA) |
| LTU | Unassigned Prefix |
| LTV | Highmark BCBS of Pennsylvania (PA) |
| LTW | Blue Shield (BS) of California (CA) |
| LTX | Blue Shield (BS) of California (CA) |
| LTY | Blue Shield (BS) of California (CA) |
| LTZ | BCBS of Minnesota (MN) |
| LUA | Unassigned Prefix |
| LUB | Capital Blue Cross of Pennsylvania (PA) |
| LUC | Florida (FL) Blue |
| LUD | Unassigned Prefix |
| LUE | Anthem Blue Cross(BC) of California (CA) |
| LUF | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LUG | BCBS of Minnesota (MN) |
| LUH | Anthem BCBS of Missouri (MO) |
| LUI | BCBS of Minnesota (MN) |
| LUJ | Unassigned Prefix |
| LUK | Anthem BCBS of Ohio (OH) |
| LUL | BCBS of Minnesota (MN) |
| LUM | Anthem BCBS of Ohio (OH) |
| LUN | Anthem BCBS of Virginia (VA) |
| LUO | Anthem BCBS of Missouri (MO) |
| LUP | Capital Blue Cross of Pennsylvania (PA) |
| LUQ | Capital Blue Cross of Pennsylvania (PA) |
| LUR | Premera BCBS of Alaska (AK) |
| LUS | Unassigned Prefix |
| LUT | Capital Blue Cross of Pennsylvania (PA) |
| LUU | BCBS of Tennessee (TN) |
| LUV | Unassigned Prefix |
| LUW | Wellmark |
| LUX | Anthem BCBS of Ohio (OH) |
| LUY | BCBS Blue Care Network Michigan (MI) |
| LUZ | Unassigned Prefix |
| LVA | Anthem BCBS of Wisconsin (WI) |
| LVB | Regence BCBS |
| LVC | Empire BCBS of New York (NY) |
| LVD | Unassigned Prefix |
| LVE | BCBS of North Carolina (NC) |
| LVF | Anthem BCBS of Virginia (VA) |
| LVG | Regence BCBS |
| LVH | Highmark BCBS of Pennsylvania (PA) |
| LVI | Unassigned Prefix |
| LVJ | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LVK | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LVL | Highmark BCBS of Pennsylvania (PA) |
| LVM | BCBS Blue Care Network Michigan (MI) |
| LVN | Premera BCBS of Alaska (AK) |
| LVO | Highmark BCBS of Pennsylvania (PA) |
| LVP | Unassigned Prefix |
| LVQ | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LVR | Unassigned Prefix |
| LVS | Arkansas (AR) Blue Cross |
| LVT | Anthem BCBS of Georgia (GA) |
| LVU | Unassigned Prefix |
| LVV | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LVW | Unassigned Prefix |
| LVX | Anthem Blue Cross(BC) of California (CA) |
| LVY | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LVZ | Unassigned Prefix |
| LWA | BCBS of South Carolina (SC) / Southcarolinablues |
| LWB | Wellmark |
| LWC | BCBS of Western New York (WNY) |
| LWD | BCBS of South Carolina (SC) / Southcarolinablues |
| LWE BCBS Prefix | BCBS of Alabama (AL) |
| LWF | Wellmark |
| LWG | BCBS Blue Care Network Michigan (MI) |
| LWH | Unassigned Prefix |
| LWI | Unassigned Prefix |
| LWJ | BCBS of Illinois (IL) |
| LWK | Empire BCBS of New York (NY) |
| LWL | Empire BCBS of New York (NY) |
| LWM | BCBS of Minnesota (MN) |
| LWN | Highmark BCBS of Pennsylvania (PA) |
| LWO | Anthem BCBS of Ohio (OH) |
| LWP | Empire BCBS of New York (NY) |
| LWQ | BCBS Blue Care Network Michigan (MI) |
| LWR | Horizon BCBS of New Jersey (NJ) |
| LWS | BCBS of Tennessee (TN) |
| LWT | BCBS of Tennessee (TN) |
| LWU | Unassigned Prefix |
| LWV | Highmark BCBS of Pennsylvania (PA) |
| LWW | Excellus BCBS of New York (NY) |
| LWX | Unassigned Prefix |
| LWY | Unassigned Prefix |
| LWZ | BCBS of North Carolina (NC) |
| LXA | BCBS of Minnesota (MN) |
| LXB | Highmark BCBS of Pennsylvania (PA) |
| LXC | Unassigned Prefix |
| LXD | Highmark BCBS of Pennsylvania (PA) |
| LXE | Unassigned Prefix |
| LXF | BCBS of Louisiana(LA) |
| LXG | BCBS of Minnesota (MN) |
| LXH | Unassigned Prefix |
| LXI | Anthem BCBS of Kentucky (KY) |
| LXJ | Anthem BCBS of Kentucky (KY) |
| LXK | BCBS of Western New York (WNY) |
| LXL | Anthem BCBS of Kentucky (KY) |
| LXM | Blue Shield (BS) of California (CA) |
| LXN | Blue Shield (BS) of California (CA) |
| LXO | BCBS of Rhode Island (RI) |
| LXP | BCBS Blue Care Network Michigan (MI) |
| LXQ | Unassigned Prefix |
| LXR | BCBS of Illinois (IL) |
| LXS | BCBS of Louisiana(LA) |
| LXT | Wellmark |
| LXU | Unassigned Prefix |
| LXV | BCBS Blue Care Network Michigan (MI) |
| LXW | Anthem BCBS of Ohio (OH) |
| LXX | BCBS of Minnesota (MN) |
| LXY | BCBS Blue Care Network Michigan (MI) |
| LXZ | Premera BCBS of Alaska (AK) |
| LYA | Unassigned Prefix |
| LYB | Highmark BCBS of Pennsylvania (PA) |
| LYC | Anthem Blue Cross(BC) of California (CA) |
| LYD | Unassigned Prefix |
| LYE | Carefirst BCBS of Maryland (MD)/ District of Columbia (DC) and Northern Virginia (VA) |
| LYF | BCBS Blue Care Network Michigan (MI) |
| LYG | Blue Shield (BS) of California (CA) |
| LYH | Anthem BCBS of Ohio (OH) |
| LYI | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LYJ | Anthem BCBS of Ohio (OH) |
| LYK | Unassigned Prefix |
| LYL | BCBS of Texas (TX) |
| LYM | Regence BCBS |
| LYN | Wellmark |
| LYO | BCBS of Louisiana(LA) |
| LYP | BCBS of Louisiana(LA) |
| LYQ | BCBS of Tennessee (TN) |
| LYR | Unassigned Prefix |
| LYS | Unassigned Prefix |
| LYT | Anthem BCBS of Virginia (VA) |
| LYU | BCBS of Alabama (AL) |
| LYV | Anthem BCBS of Virginia (VA) |
| LYW | Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA) |
| LYX | Unassigned Prefix |
| LYY | Anthem Blue Cross(BC) of California (CA) |
| LYZ | Wellmark |
| LZA | Unassigned Prefix |
| LZB | BCBS of Louisiana(LA) |
| LZC | BCBS Blue Care Network Michigan (MI) |
| LZD | Wellmark |
| LZE | Empire BCBS of New York (NY) |
| LZF | BCBS of Illinois (IL) |
| LZG | BCBS Blue Care Network Michigan (MI) |
| LZH | Wellmark |
| LZI | Unassigned Prefix |
| LZJ | Anthem BCBS of Wisconsin (WI) |
| LZK | Anthem BCBS of Wisconsin (WI) |
| LZL | Unassigned Prefix |
| LZM | Unassigned Prefix |
| LZN | Anthem BCBS of Wisconsin (WI) |
| LZO | Blue Shield (BS) of California (CA) |
| LZP | BCBS Blue Care Network Michigan (MI) |
| LZQ | BCBS of Western New York (WNY) |
| LZR | BCBS of Nebraska (NE) |
| LZS | Wellmark |
| LZT | Unassigned Prefix |
| LZU | Horizon BCBS of New Jersey (NJ) |
| LZV | Anthem BCBS of Connecticut (CT) |
| LZW | BCBS of Illinois (IL) |
| LZX | Anthem BCBS of Connecticut (CT) |
| LZY | Premera BCBS of Alaska (AK) |
| LZZ | BCBS of Massachusetts (MA) |
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