| Alpha Prefix | BCBS Home Plan Name | BCBS Home Plan Website |
| SAB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SAC | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SAD | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| SAE | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SAF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SAG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SAH | BCBS of Illinois | https://www.bcbsil.com/ |
| SAI | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SAJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SAL | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SAM | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SAN | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SAO | Wellmark BCBS | https://www.wellmark.com/ |
| SAP | Prefix Not in Use | https://www.bcbs.com/member-services |
| SAQ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SAR | BCBS of Michigan | https://www.bcbsm.com/ |
| SAU | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SAV | Prefix Not in Use | https://www.bcbs.com/member-services |
| SAW | Regence | https://www.regence.com/member/home |
| SAX | Empire BCBS of New York | https://www.empireblue.com/ |
| SBB | Prefix Not in Use | https://www.bcbs.com/member-services |
| SBC | BCBS of Illinois | https://www.bcbsil.com/ |
| SBF | BCBS of Illinois | https://www.bcbsil.com/ |
| SBG | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SBI | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SBJ | Regence | https://www.regence.com/member/home |
| SBK | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SBL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SBM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SBN | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SBO | BCBS of Florida | https://www.floridablue.com/ |
| SBP | BCBS of Texas | https://www.bcbstx.com/ |
| SBQ | BCBS of Illinois | https://www.bcbsil.com/ |
| SBR | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| SBS | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SBT | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SBV | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SBW | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SBX | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SBY | Unknown Assignment | https://www.bcbs.com/ |
| SBZ | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| SCA | Regence | https://www.regence.com/member/home |
| SCB | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SCC | Blue Shield of California | https://blueshieldcaplans.com/ |
| SCD | BCBS of Texas | https://www.bcbstx.com/ |
| SCE | BCBS of Illinois | https://www.bcbsil.com/ |
| SCF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SCG | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SCH | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SCI | Regence | https://www.regence.com/member/home |
| SCJ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SCK | Wellmark BCBS | https://www.wellmark.com/ |
| SCM | BCBS of Texas | https://www.bcbstx.com/ |
| SCN | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SCO | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SCP | Prefix Not in Use | https://www.bcbs.com/member-services |
| SCR | BCBS of Michigan | https://www.bcbsm.com/ |
| SCT | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| SCU | Blue Cross of Idaho | https://www.bcidaho.com/ |
| SCV | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SCW | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SCX | BCBS of Illinois | https://www.bcbsil.com/ |
| SCY | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SCZ | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SDB | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SDC | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SDD | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| SDE | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| SDF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SDG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SDH | Wellmark BCBS | https://www.wellmark.com/ |
| SDI | Prefix Not in Use | https://www.bcbs.com/member-services |
| SDJ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SDK | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SDL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SDM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SDN | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| SDO | BCBS of Illinois | https://www.bcbsil.com/ |
| SDP | Empire BCBS of New York | https://www.empireblue.com/ |
| SDQ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SDR | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SDS | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| SDT | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SDU | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SDV | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SDW | Prefix Not in Use | https://www.bcbs.com/member-services |
| SDX | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SDY | BCBS of Florida | https://www.floridablue.com/ |
| SEA | Premera Blue Cross | https://www.premera.com/visitor |
| SEB | BCBS of Michigan | https://www.bcbsm.com/ |
| SED | BCBS of Illinois | https://www.bcbsil.com/ |
| SEE | BCBS of Michigan | https://www.bcbsm.com/ |
| SEG | Anthem BCBS of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| SEH | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SEI | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SEJ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SEK | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SEL | Wellmark BCBS | https://www.wellmark.com/ |
| SEM | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SEO | Blue Shield of California | https://blueshieldcaplans.com/ |
| SEQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SER | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SET | BCBS of Texas | https://www.bcbstx.com/ |
| SEU | Wellmark BCBS | https://www.wellmark.com/ |
| SEV | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| SEW | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| SEX | Prefix Not in Use | https://www.bcbs.com/member-services |
| SEY | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SEZ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SFC | Wellmark BCBS | https://www.wellmark.com/ |
| SFE | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SFG | Prefix Not in Use | https://www.bcbs.com/member-services |
| SFH | Wellmark BCBS | https://www.wellmark.com/ |
| SFI | BCBS of Illinois | https://www.bcbsil.com/ |
| SFK | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SFL | BCBS of Florida | https://www.floridablue.com/ |
| SFM | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SFO | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SFQ | BCBS of Mississippi | https://www.bcbsms.com/ |
| SFR | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SFS | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| SFT | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| SFU | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SFV | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SFW | Empire BCBS of New York | https://www.empireblue.com/ |
| SFY | Prefix Not in Use | https://www.bcbs.com/member-services |
| SFZ | BCBS of Illinois | https://www.bcbsil.com/ |
| SGA | Prefix Not in Use | https://www.bcbs.com/member-services |
| SGB | BCBS of Michigan | https://www.bcbsm.com/ |
| SGC | BCBS of Michigan | https://www.bcbsm.com/ |
| SGD | Prefix Not in Use | https://www.bcbs.com/member-services |
| SGE | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SGF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SGG | BCBS of Illinois | https://www.bcbsil.com/ |
| SGH | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SGI | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SGJ | Blue Cross of Idaho | https://www.bcidaho.com/ |
| SGK | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SGM | BCBS of Michigan | https://www.bcbsm.com/ |
| SGO | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SGP | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SGQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SGR | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SGS | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SGU | BCBS of Florida | https://www.floridablue.com/ |
| SGV | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SGW | BCBS of Illinois | https://www.bcbsil.com/ |
| SGX | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SGY | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SGZ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SHA | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SHB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SHF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SHG | Capital Blue Cross | https://www.capbluecross.com/ |
| SHH | Prefix Not in Use | https://www.bcbs.com/member-services |
| SHI | Wellmark BCBS | https://www.wellmark.com/ |
| SHJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SHK | Prefix Not in Use | https://www.bcbs.com/member-services |
| SHL | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SHM | Empire BCBS of New York | https://www.empireblue.com/ |
| SHN | BCBS of Illinois | https://www.bcbsil.com/ |
| SHO | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SHP | Prefix Not in Use | https://www.bcbs.com/member-services |
| SHQ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SHR | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SHS | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SHT | BCBS of Texas | https://www.bcbstx.com/ |
| SHU | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SHV | BCBS of North Dakota | https://www.bcbsnd.com/ |
| SHX | Prefix Not in Use | https://www.bcbs.com/member-services |
| SHY | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SIA | Wellmark BCBS | https://www.wellmark.com/ |
| SIB | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SIE | Prefix Not in Use | https://www.bcbs.com/member-services |
| SIF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SIG | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SIH | Empire BCBS of New York | https://www.empireblue.com/ |
| SII | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SIM | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| SIP | Prefix Not in Use | https://www.bcbs.com/member-services |
| SIQ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SIR | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SIS | Blue Shield of California | https://blueshieldcaplans.com/ |
| SIT | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SIU | BCBS of Illinois | https://www.bcbsil.com/ |
| SIW | BCBS of Illinois | https://www.bcbsil.com/ |
| SIX | Prefix Not in Use | https://www.bcbs.com/member-services |
| SIY | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SIZ | Wellmark BCBS | https://www.wellmark.com/ |
| SJA | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SJB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SJC | BCBS of Florida | https://www.floridablue.com/ |
| SJD | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SJE | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SJF | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SJH | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SJI | BCBS of Louisiana | https://www.bcbsla.com/ |
| SJJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SJK | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| SJL | BCBS of Illinois | https://www.bcbsil.com/ |
| SJM | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SJN | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SJO | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SJP | BCBS of Illinois | https://www.bcbsil.com/ |
| SJQ | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SJR | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SJS | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SJT | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SJW | Prefix Not in Use | https://www.bcbs.com/member-services |
| SJX | Prefix Not in Use | https://www.bcbs.com/member-services |
| SJY | Blue Shield of California | https://blueshieldcaplans.com/ |
| SJZ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SKA | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SKC | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SKE | Prefix Not in Use | https://www.bcbs.com/member-services |
| SKF | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| SKG | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SKH | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SKK | BCBS of Illinois | https://www.bcbsil.com/ |
| SKL | BCBS of Illinois | https://www.bcbsil.com/ |
| SKM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SKN | BCBS of Texas | https://www.bcbstx.com/ |
| SKO | Premera Blue Cross | https://www.premera.com/visitor |
| SKP | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SKR | BCBS of Illinois | https://www.bcbsil.com/ |
| SKV | Prefix Not in Use | https://www.bcbs.com/member-services |
| SKW | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SKX | BCBS of Texas | https://www.bcbstx.com/ |
| SKZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLA | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLB | Unknown Assignment | https://www.bcbs.com/ |
| SLC | BCBS of Illinois | https://www.bcbsil.com/ |
| SLD | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| SLE | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| SLF | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SLG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SLH | Premera Blue Cross | https://www.premera.com/visitor |
| SLI | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SLJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLL | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| SLM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLP | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLR | BCBS of Texas | https://www.bcbstx.com/ |
| SLS | BCBS of Florida | https://www.floridablue.com/ |
| SLT | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SLU | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLV | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SLW | BCBS of Western New York | https://www.bcbswny.com/ |
| SLX | Capital Blue Cross | https://www.capbluecross.com/ |
| SLY | Prefix Not in Use | https://www.bcbs.com/member-services |
| SLZ | Regence | https://www.regence.com/member/home |
| SMA | BCBS of Nebraska | https://www.nebraskablue.com/ |
| SMB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SMD | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| SME | Empire BCBS of New York | https://www.empireblue.com/ |
| SMF | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SMG | Wellmark BCBS | https://www.wellmark.com/ |
| SMH | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SMI | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| SMK | BCBS of Michigan | https://www.bcbsm.com/ |
| SML | BCBS of Illinois | https://www.bcbsil.com/ |
| SMN | Empire BCBS of New York | https://www.empireblue.com/ |
| SMO | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SMQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SMR | Prefix Not in Use | https://www.bcbs.com/member-services |
| SMT | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SMU | BCBS of Michigan | https://www.bcbsm.com/ |
| SMV | BCBS of Michigan | https://www.bcbsm.com/ |
| SMW | BCBS of Illinois | https://www.bcbsil.com/ |
| SMX | BCBS of Michigan | https://www.bcbsm.com/ |
| SMY | Prefix Not in Use | https://www.bcbs.com/member-services |
| SMZ | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SNA | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SNB | BCBS of Texas | https://www.bcbstx.com/ |
| SNC | Prefix Not in Use | https://www.bcbs.com/member-services |
| SND | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNE | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SNF | Empire BCBS of New York | https://www.empireblue.com/ |
| SNH | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SNI | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNJ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SNL | BCBS of Illinois | https://www.bcbsil.com/ |
| SNM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNN | BCBS of Illinois | https://www.bcbsil.com/ |
| SNO | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SNP | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SNQ | BCBS of Rhode Island | https://www.bcbsri.com/ |
| SNR | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNT | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNU | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SNV | BCBS of Michigan | https://www.bcbsm.com/ |
| SNW | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNX | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SNY | Prefix Not in Use | https://www.bcbs.com/member-services |
| SNZ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SOA | Regence | https://www.regence.com/member/home |
| SOB | BCBS of Michigan | https://www.bcbsm.com/ |
| SOD | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| SOE | BCBS of Illinois | https://www.bcbsil.com/ |
| SOF | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SOG | Prefix Not in Use | https://www.bcbs.com/member-services |
| SOH | Prefix Not in Use | https://www.bcbs.com/member-services |
| SOI | Prefix Not in Use | https://www.bcbs.com/member-services |
| SOJ | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SOL | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| SOM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SOO | Blue Shield of California | https://blueshieldcaplans.com/ |
| SOR | Anthem BCBS of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| SOS | BCBS of Florida | https://www.floridablue.com/ |
| SOT | Blue Shield of California | https://blueshieldcaplans.com/ |
| SOU | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SOV | Prefix Not in Use | https://www.bcbs.com/member-services |
| SOX | BCBS of Nebraska | https://www.nebraskablue.com/ |
| SOY | Prefix Not in Use | https://www.bcbs.com/member-services |
| SOZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SPA | Prefix Not in Use | https://www.bcbs.com/member-services |
| SPC | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SPD | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SPE | Prefix Not in Use | https://www.bcbs.com/member-services |
| SPG | Blue Shield of California | https://blueshieldcaplans.com/ |
| SPH | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| SPI | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SPJ | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SPK | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SPL | BCBS of Illinois | https://www.bcbsil.com/ |
| SPM | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SPN | BCBS of Texas | https://www.bcbstx.com/ |
| SPP | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SPQ | BCBS of Illinois | https://www.bcbsil.com/ |
| SPR | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SPT | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SPV | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SPW | Blue Shield of California | https://blueshieldcaplans.com/ |
| SPX | Prefix Not in Use | https://www.bcbs.com/member-services |
| SPY | Prefix Not in Use | https://www.bcbs.com/member-services |
| SPZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SQB | Prefix Not in Use | https://www.bcbs.com/member-services |
| SQC | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SQD | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SQE | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SQF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SQG | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SQH | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SQJ | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| SQK | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SQL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SQM | Blue Shield of California | https://blueshieldcaplans.com/ |
| SQN | Premera Blue Cross | https://www.premera.com/visitor |
| SQP | Regence | https://www.regence.com/member/home |
| SQQ | Blue Cross of Idaho | https://www.bcidaho.com/ |
| SQR | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SQS | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SQU | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SQV | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SQW | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SQX | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SQY | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SQZ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SRA | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SRC | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SRD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SRF | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| SRG | Blue Shield of California | https://blueshieldcaplans.com/ |
| SRH | Capital Blue Cross | https://www.capbluecross.com/ |
| SRI | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SRJ | Regence | https://www.regence.com/member/home |
| SRK | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SRL | BCBS of Western New York | https://www.bcbswny.com/ |
| SRN | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SRO | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| SRP | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SRQ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SRR | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SRS | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SRT | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| SRU | Premera Blue Cross | https://www.premera.com/visitor |
| SRW | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SRX | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SRY | BCBS of Illinois | https://www.bcbsil.com/ |
| SSA | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SSC | Prefix Not in Use | https://www.bcbs.com/member-services |
| SSD | Blue Shield of California | https://blueshieldcaplans.com/ |
| SSE | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SSF | Anthem BCBS of Missouri | https://www.anthem.com/individual-and-family/health-insurance/missouri/ |
| SSG | Wellmark BCBS | https://www.wellmark.com/ |
| SSH | Prefix Not in Use | https://www.bcbs.com/member-services |
| SSI | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SSJ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SSK | Empire BCBS of New York | https://www.empireblue.com/ |
| SSL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SSM | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SSO | Blue Shield of California | https://blueshieldcaplans.com/ |
| SSP | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SSQ | Blue Cross of Idaho | https://www.bcidaho.com/ |
| SSR | Prefix Not in Use | https://www.bcbs.com/member-services |
| SSS | Regence | https://www.regence.com/member/home |
| SST | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SSU | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SSW | BCBS of Montana | https://www.bcbsmt.com/ |
| SSX | BCBS of Texas | https://www.bcbstx.com/ |
| SSY | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SSZ | Premera Blue Cross | https://www.premera.com/visitor |
| STA | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| STB | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| STC | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| STD | Capital Blue Cross | https://www.capbluecross.com/ |
| STE | Wellmark BCBS | https://www.wellmark.com/ |
| STF | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| STG | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| STH | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| STI | BCBS of Texas | https://www.bcbstx.com/ |
| STL | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| STM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| STN | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| STO | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| STP | BCBS of Texas | https://www.bcbstx.com/ |
| STQ | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| STR | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| STT | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| STV | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| STY | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| STZ | BCBS of Florida | https://www.floridablue.com/ |
| SUA | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SUB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SUD | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| SUE | Prefix Not in Use | https://www.bcbs.com/member-services |
| SUF | Empire BCBS of New York | https://www.empireblue.com/ |
| SUG | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SUI | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SUJ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SUK | Wellmark BCBS | https://www.wellmark.com/ |
| SUL | Wellmark BCBS | https://www.wellmark.com/ |
| SUM | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SUO | Prefix Not in Use | https://www.bcbs.com/member-services |
| SUP | BCBS of Illinois | https://www.bcbsil.com/ |
| SUQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| SUR | BCBS of Illinois | https://www.bcbsil.com/ |
| SUT | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SUV | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SUW | BCBS of Western New York | https://www.bcbswny.com/ |
| SUY | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SUZ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| SVA | Prefix Not in Use | https://www.bcbs.com/member-services |
| SVB | BCBS of Michigan | https://www.bcbsm.com/ |
| SVC | Premera Blue Cross | https://www.premera.com/visitor |
| SVF | Capital Blue Cross | https://www.capbluecross.com/ |
| SVG | Unknown Assignment | https://www.bcbs.com/ |
| SVH | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SVJ | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SVL | Unknown Assignment | https://www.bcbs.com/ |
| SVM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SVN | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| SVP | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SVQ | BCBS of Oklahoma | https://www.bcbsok.com/ |
| SVS | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SVT | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SVV | Capital Blue Cross | https://www.capbluecross.com/ |
| SVX | Blue Shield of California | https://blueshieldcaplans.com/ |
| SVY | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SVZ | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| SWB | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| SWC | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SWD | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SWF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SWG | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SWH | BCBS of Illinois | https://www.bcbsil.com/ |
| SWJ | BCBS of Illinois | https://www.bcbsil.com/ |
| SWK | BCBS of Illinois | https://www.bcbsil.com/ |
| SWL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SWM | Prefix Not in Use | https://www.bcbs.com/member-services |
| SWN | Prefix Not in Use | https://www.bcbs.com/member-services |
| SWO | Wellmark BCBS | https://www.wellmark.com/ |
| SWP | Anthem BCBS of Kentucky | https://www.anthem.com/individual-and-family/health-insurance/kentucky/ |
| SWR | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| SWT | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| SWU | Prefix Not in Use | https://www.bcbs.com/member-services |
| SWV | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| SWW | Wellmark BCBS | https://www.wellmark.com/ |
| SWX | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SWY | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SWZ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SXA | Prefix Not in Use | https://www.bcbs.com/member-services |
| SXB | Wellmark BCBS | https://www.wellmark.com/ |
| SXC | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SXD | Blue Shield of California | https://blueshieldcaplans.com/ |
| SXE | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| SXF | Prefix Not in Use | https://www.bcbs.com/member-services |
| SXG | Prefix Not in Use | https://www.bcbs.com/member-services |
| SXI | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SXJ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SXK | Empire BCBS of New York | https://www.empireblue.com/ |
| SXL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SXN | Regence | https://www.regence.com/member/home |
| SXP | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SXQ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SXR | Prefix Not in Use | https://www.bcbs.com/member-services |
| SXT | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SXU | Prefix Not in Use | https://www.bcbs.com/member-services |
| SXV | Blue Cross of Idaho | https://www.bcidaho.com/ |
| SXW | BCBS of Illinois | https://www.bcbsil.com/ |
| SXX | BCBS of Illinois | https://www.bcbsil.com/ |
| SXY | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SXZ | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| SYA | Prefix Not in Use | https://www.bcbs.com/member-services |
| SYB | BCBS of Illinois | https://www.bcbsil.com/ |
| SYD | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| SYE | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| SYF | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| SYG | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SYH | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| SYI | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SYJ | Wellmark BCBS | https://www.wellmark.com/ |
| SYK | Regence | https://www.regence.com/member/home |
| SYL | Prefix Not in Use | https://www.bcbs.com/member-services |
| SYM | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SYN | Prefix Not in Use | https://www.bcbs.com/member-services |
| SYO | BCBS of Michigan | https://www.bcbsm.com/ |
| SYP | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| SYQ | BCBS of Michigan | https://www.bcbsm.com/ |
| SYR | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SYS | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| SYT | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| SYU | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| SYV | Prefix Not in Use | https://www.bcbs.com/member-services |
| SYW | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| SYY | BCBS of Illinois | https://www.bcbsil.com/ |
| SYZ | Premera Blue Cross | https://www.premera.com/visitor |
| SZA | Independence Blue Cross | https://www.ibx.com/index.jsp |
| SZB | Regence | https://www.regence.com/member/home |
| SZC | BCBS of Illinois | https://www.bcbsil.com/ |
| SZE | BCBS of Illinois | https://www.bcbsil.com/ |
| SZF | BCBS of Illinois | https://www.bcbsil.com/ |
| SZG | Blue Cross of Idaho | https://www.bcidaho.com/ |
| SZH | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| SZJ | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| SZK | Wellmark BCBS | https://www.wellmark.com/ |
| SZL | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| SZM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| SZN | BCBS of Nebraska | https://www.nebraskablue.com/ |
| SZO | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| SZP | Prefix Not in Use | https://www.bcbs.com/member-services |
| SZQ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SZR | Premera Blue Cross | https://www.premera.com/visitor |
| SZS | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SZT | Prefix Not in Use | https://www.bcbs.com/member-services |
| SZU | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| SZX | Premera Blue Cross | https://www.premera.com/visitor |
| SZY | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |