| NAA | Prefix Not in Use | https://www.bcbs.com/member-services |
| NAB | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| NAC | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NAD | Prefix Not in Use | https://www.bcbs.com/member-services |
| NAG | BCBS of Western New York | https://www.bcbswny.com/ |
| NAI | BCBS of Texas | https://www.bcbstx.com/ |
| NAK | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NAL | BCBS of Michigan | https://www.bcbsm.com/ |
| NAM | Blue Cross of Idaho | https://www.bcidaho.com/ |
| NAN | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NAO | Blue Shield of California | https://blueshieldcaplans.com/ |
| NAP | Prefix Not in Use | https://www.bcbs.com/member-services |
| NAR | Wellmark BCBS | https://www.wellmark.com/ |
| NAS | Regence | https://www.regence.com/member/home |
| NAT | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NAU | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| NAV | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NAW | BCBS of Michigan | https://www.bcbsm.com/ |
| NAX | BCBS of Michigan | https://www.bcbsm.com/ |
| NAY | Premera Blue Cross | https://www.premera.com/visitor |
| NAZ | Blue Shield of California | https://blueshieldcaplans.com/ |
| NBA | Wellmark BCBS | https://www.wellmark.com/ |
| NBB | Prefix Not in Use | https://www.bcbs.com/member-services |
| NBC | Prefix Not in Use | https://www.bcbs.com/member-services |
| NBD | Wellmark BCBS | https://www.wellmark.com/ |
| NBE | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| NBF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NBG | Prefix Not in Use | https://www.bcbs.com/member-services |
| NBI | BCBS of Michigan | https://www.bcbsm.com/ |
| NBK | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NBL | Prefix Not in Use | https://www.bcbs.com/member-services |
| NBM | Wellmark BCBS | https://www.wellmark.com/ |
| NBN | Wellmark BCBS | https://www.wellmark.com/ |
| NBO | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| NBP | Empire BCBS of New York | https://www.empireblue.com/ |
| NBR | BCBS of Illinois | https://www.bcbsil.com/ |
| NBT | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| NBU | BCBS of Michigan | https://www.bcbsm.com/ |
| NBW | BCBS of Illinois | https://www.bcbsil.com/ |
| NBY | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NBZ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NCA | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NCB | BCBS of Illinois | https://www.bcbsil.com/ |
| NCC | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NCD | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| NCE | BCBS of Michigan | https://www.bcbsm.com/ |
| NCF | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NCH | BCBS of Michigan | https://www.bcbsm.com/ |
| NCI | BCBS of Illinois | https://www.bcbsil.com/ |
| NCJ | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| NCK | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| NCL | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NCM | Empire BCBS of New York | https://www.empireblue.com/ |
| NCN | BCBS of Illinois | https://www.bcbsil.com/ |
| NCP | Prefix Not in Use | https://www.bcbs.com/member-services |
| NCQ | Highmark BCBS | https://www.highmarkbcbsde.com/home/ |
| NCR | Empire BCBS of New York | https://www.empireblue.com/ |
| NCS | BCBS of Arkansas | http://www.arkansasbluecross.com/looking-for-insurance |
| NCT | Premera Blue Cross | https://www.premera.com/visitor |
| NCU | Prefix Not in Use | https://www.bcbs.com/member-services |
| NCV | Blue Shield of California | https://blueshieldcaplans.com/ |
| NCW | Premera Blue Cross | https://www.premera.com/visitor |
| NCY | Prefix Not in Use | https://www.bcbs.com/member-services |
| NCZ | Premera Blue Cross | https://www.premera.com/visitor |
| NDB | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| NDC | Prefix Not in Use | https://www.bcbs.com/member-services |
| NDD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NDE | BCBS of Michigan | https://www.bcbsm.com/ |
| NDG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NDH | Prefix Not in Use | https://www.bcbs.com/member-services |
| NDI | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NDJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NDK | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NDM | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| NDO | Blue Shield of California | https://blueshieldcaplans.com/ |
| NDP | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NDR | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NDS | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NDT | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NDU | Prefix Not in Use | https://www.bcbs.com/member-services |
| NDV | Prefix Not in Use | https://www.bcbs.com/member-services |
| NDY | Wellmark BCBS | https://www.wellmark.com/ |
| NEA | BCBS of Illinois | https://www.bcbsil.com/ |
| NEB | Independence Blue Cross | https://www.ibx.com/index.jsp |
| NEC | BCBS of Illinois | https://www.bcbsil.com/ |
| NED | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NEE | BCBS of Western New York | https://www.bcbswny.com/ |
| NEF | BCBS of Western New York | https://www.bcbswny.com/ |
| NEH | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| NEI | BCBS of Illinois | https://www.bcbsil.com/ |
| NEJ | Empire BCBS of New York | https://www.empireblue.com/ |
| NEK | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NEL | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NEM | Prefix Not in Use | https://www.bcbs.com/member-services |
| NEN | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NEO | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NEP | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NES | BCBS of Florida | https://www.floridablue.com/ |
| NEU | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NEW | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NEX | Regence | https://www.regence.com/member/home |
| NEY | BCBS of Illinois | https://www.bcbsil.com/ |
| NFA | BCBS of Illinois | https://www.bcbsil.com/ |
| NFC | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NFD | BCBS of Western New York | https://www.bcbswny.com/ |
| NFE | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NFF | Regence | https://www.regence.com/member/home |
| NFG | BCBS of Illinois | https://www.bcbsil.com/ |
| NFH | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NFI | BCBS of Vermont | https://www.bcbsvt.com/individual-insurance |
| NFJ | Excellus BCBS of New York | https://www.excellusbcbs.com/ |
| NFK | Premera Blue Cross | https://www.premera.com/visitor |
| NFL | BCBS of Western New York | https://www.bcbswny.com/ |
| NFM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NFN | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NFO | Wellmark BCBS | https://www.wellmark.com/ |
| NFP | BCBS of Western New York | https://www.bcbswny.com/ |
| NFQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NFR | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NFS | BCBS of Florida | https://www.floridablue.com/ |
| NFT | BCBS of Western New York | https://www.bcbswny.com/ |
| NFU | Prefix Not in Use | https://www.bcbs.com/member-services |
| NFV | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NFW | Prefix Not in Use | https://www.bcbs.com/member-services |
| NFX | Premera Blue Cross | https://www.premera.com/visitor |
| NFY | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NFZ | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGA | Prefix Not in Use | https://www.bcbs.com/member-services |
| NGB | BCBS of Florida | https://www.floridablue.com/ |
| NGC | BCBS of Illinois | https://www.bcbsil.com/ |
| NGD | BCBS of Florida | https://www.floridablue.com/ |
| NGE | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGF | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGG | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NGH | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NGI | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGK | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGL | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NGM | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NGN | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGO | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NGP | Wellmark BCBS | https://www.wellmark.com/ |
| NGQ | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NGS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NGT | Prefix Not in Use | https://www.bcbs.com/member-services |
| NGU | BCBS of Western New York | https://www.bcbswny.com/ |
| NGX | BCBS of Illinois | https://www.bcbsil.com/ |
| NGY | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NGZ | Wellmark BCBS | https://www.wellmark.com/ |
| NHA | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NHB | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NHC | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NHD | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NHE | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NHF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NHG | Capital Blue Cross | https://www.capbluecross.com/ |
| NHH | Prefix Not in Use | https://www.bcbs.com/member-services |
| NHJ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NHK | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NHL | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NHM | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NHN | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NHP | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NHQ | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NHR | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NHS | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NHT | BCBS of Michigan | https://www.bcbsm.com/ |
| NHV | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NHW | Unknown Assignment | https://www.bcbs.com/ |
| NHX | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NHY | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| NHZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NIA | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| NIC | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NIE | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NIF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NIG | Prefix Not in Use | https://www.bcbs.com/member-services |
| NIH | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NII | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NIJ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NIL | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NIM | Prefix Not in Use | https://www.bcbs.com/member-services |
| NIN | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NIO | Wellmark BCBS | https://www.wellmark.com/ |
| NIP | Blue Shield of California | https://blueshieldcaplans.com/ |
| NIQ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NIS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NIT | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NIY | Unknown Assignment | https://www.bcbs.com/ |
| NIZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NJB | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NJD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJE | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJG | BCBS of Texas | https://www.bcbstx.com/ |
| NJH | Prefix Not in Use | https://www.bcbs.com/member-services |
| NJI | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NJL | BCBS of Michigan | https://www.bcbsm.com/ |
| NJM | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NJN | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJP | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJQ | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NJR | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJS | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJT | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJU | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| NJV | BCBS of Michigan | https://www.bcbsm.com/ |
| NJX | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NJY | Prefix Not in Use | https://www.bcbs.com/member-services |
| NJZ | Wellmark BCBS | https://www.wellmark.com/ |
| NKA | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NKB | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NKE | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NKF | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NKG | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NKH | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NKI | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NKJ | BCBS of Michigan | https://www.bcbsm.com/ |
| NKK | BCBS of Michigan | https://www.bcbsm.com/ |
| NKL | BCBS of Illinois | https://www.bcbsil.com/ |
| NKN | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NKO | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NKQ | BCBS of Michigan | https://www.bcbsm.com/ |
| NKR | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| NKS | BCBS of Michigan | https://www.bcbsm.com/ |
| NKT | BCBS of Illinois | https://www.bcbsil.com/ |
| NKU | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NKW | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NKX | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NKY | BCBS of Michigan | https://www.bcbsm.com/ |
| NLA | BCBS of Michigan | https://www.bcbsm.com/ |
| NLB | BCBS of Illinois | https://www.bcbsil.com/ |
| NLD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NLE | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NLF | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NLG | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NLH | BCBS of Michigan | https://www.bcbsm.com/ |
| NLI | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NLL | BCBS of Illinois | https://www.bcbsil.com/ |
| NLM | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NLN | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NLQ | Premera Blue Cross | https://www.premera.com/visitor |
| NLR | BCBS of Texas | https://www.bcbstx.com/ |
| NLS | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NLT | BCBS of Texas | https://www.bcbstx.com/ |
| NLW | BCBS of Illinois | https://www.bcbsil.com/ |
| NLY | Prefix Not in Use | https://www.bcbs.com/member-services |
| NLZ | Premera Blue Cross | https://www.premera.com/visitor |
| NMA | BCBS of Florida | https://www.floridablue.com/ |
| NMB | Prefix Not in Use | https://www.bcbs.com/member-services |
| NMC | Prefix Not in Use | https://www.bcbs.com/member-services |
| NME | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NMF | BCBS of Florida | https://www.floridablue.com/ |
| NMG | Prefix Not in Use | https://www.bcbs.com/member-services |
| NMH | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NMI | Regence | https://www.regence.com/member/home |
| NMJ | Unknown Assignment | https://www.bcbs.com/ |
| NMK | Unknown Assignment | https://www.bcbs.com/ |
| NML | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NMM | Unknown Assignment | https://www.bcbs.com/ |
| NMN | Prefix Not in Use | https://www.bcbs.com/member-services |
| NMO | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NMP | BCBS of Illinois | https://www.bcbsil.com/ |
| NMQ | BCBS of Florida | https://www.floridablue.com/ |
| NMR | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NMS | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NMT | BCBS of Illinois | https://www.bcbsil.com/ |
| NMU | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NMV | Empire BCBS of New York | https://www.empireblue.com/ |
| NMW | BCBS of Illinois | https://www.bcbsil.com/ |
| NMX | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| NMZ | BCBS of Illinois | https://www.bcbsil.com/ |
| NNA | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NNB | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NNC | Blue Cross of Idaho | https://www.bcidaho.com/ |
| NND | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NNF | BCBS of Western New York | https://www.bcbswny.com/ |
| NNH | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| NNI | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NNK | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| NNM | Prefix Not in Use | https://www.bcbs.com/member-services |
| NNN | BCBS of Illinois | https://www.bcbsil.com/ |
| NNP | BCBS of Illinois | https://www.bcbsil.com/ |
| NNQ | Premera Blue Cross | https://www.premera.com/visitor |
| NNR | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NNS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NNT | Premera Blue Cross | https://www.premera.com/visitor |
| NNU | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NNW | BCBS of Montana | https://www.bcbsmt.com/ |
| NNX | Highmark BCBS | https://www.highmarkblueshield.com/home/ |
| NNY | Premera Blue Cross | https://www.premera.com/visitor |
| NNZ | Anthem BCBS of Virginia | https://www.anthem.com/individual-and-family/health-insurance/virginia/ |
| NOA | Prefix Not in Use | https://www.bcbs.com/member-services |
| NOB | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NOC | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NOD | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NOE | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NOF | BCBS of Michigan | https://www.bcbsm.com/ |
| NOG | BCBS of Michigan | https://www.bcbsm.com/ |
| NOH | Prefix Not in Use | https://www.bcbs.com/member-services |
| NOI | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NOL | Independence Blue Cross | https://www.ibx.com/index.jsp |
| NOO | Wellmark BCBS | https://www.wellmark.com/ |
| NOP | Prefix Not in Use | https://www.bcbs.com/member-services |
| NOR | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| NOS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NOT | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NOU | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NOV | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NOW | Prefix Not in Use | https://www.bcbs.com/member-services |
| NOX | Prefix Not in Use | https://www.bcbs.com/member-services |
| NOY | Blue Shield of California | https://blueshieldcaplans.com/ |
| NOZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NPA | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NPB | Regence | https://www.regence.com/member/home |
| NPC | Unknown Assignment | https://www.bcbs.com/ |
| NPD | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NPF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NPG | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NPH | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NPJ | BCBS of Florida | https://www.floridablue.com/ |
| NPL | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NPM | Prefix Not in Use | https://www.bcbs.com/member-services |
| NPP | Independence Blue Cross | https://www.ibx.com/index.jsp |
| NPQ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NPR | BCBS of Illinois | https://www.bcbsil.com/ |
| NPS | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NPT | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NPX | BCBS of Rhode Island | https://www.bcbsri.com/ |
| NPY | Empire BCBS of New York | https://www.empireblue.com/ |
| NPZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NQA | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NQB | Prefix Not in Use | https://www.bcbs.com/member-services |
| NQD | BCBS of Western New York | https://www.bcbswny.com/ |
| NQH | BCBS of Illinois | https://www.bcbsil.com/ |
| NQI | BCBS of Michigan | https://www.bcbsm.com/ |
| NQJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NQK | Prefix Not in Use | https://www.bcbs.com/member-services |
| NQL | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NQM | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| NQN | Premera Blue Cross | https://www.premera.com/visitor |
| NQQ | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NQR | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NQS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NQU | BCBS of Michigan | https://www.bcbsm.com/ |
| NQV | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NQW | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NQY | Prefix Not in Use | https://www.bcbs.com/member-services |
| NQZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NRA | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NRB | Premera Blue Cross | https://www.premera.com/visitor |
| NRC | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NRE | BCBS of Rhode Island | https://www.bcbsri.com/ |
| NRF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NRG | BCBS of Illinois | https://www.bcbsil.com/ |
| NRI | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NRJ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NRK | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NRL | Premera Blue Cross | https://www.premera.com/visitor |
| NRM | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NRN | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NRO | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NRP | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NRQ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NRR | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NRT | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NRW | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NRX | Prefix Not in Use | https://www.bcbs.com/member-services |
| NRZ | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NSA | Anthem Blue Cross of California | https://www.anthem.com/ca/individual-and-family/health-insurance/california/ |
| NSB | Blue Shield of California | https://blueshieldcaplans.com/ |
| NSC | Blue Shield of California | https://blueshieldcaplans.com/ |
| NSD | BCBS of Michigan | https://www.bcbsm.com/ |
| NSE | Prefix Not in Use | https://www.bcbs.com/member-services |
| NSG | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NSH | Prefix Not in Use | https://www.bcbs.com/member-services |
| NSI | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NSJ | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NSK | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NSL | Blue Shield of California | https://blueshieldcaplans.com/ |
| NSM | Wellmark BCBS | https://www.wellmark.com/ |
| NSN | Prefix Not in Use | https://www.bcbs.com/member-services |
| NSP | Prefix Not in Use | https://www.bcbs.com/member-services |
| NSQ | Wellmark BCBS | https://www.wellmark.com/ |
| NSS | BCBS of Michigan | https://www.bcbsm.com/ |
| NST | Prefix Not in Use | https://www.bcbs.com/member-services |
| NSU | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NSV | Wellmark BCBS | https://www.wellmark.com/ |
| NSW | Regence | https://www.regence.com/member/home |
| NSX | Prefix Not in Use | https://www.bcbs.com/member-services |
| NSY | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NSZ | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NTA | Anthem BCBS of New Hampshire | https://www.anthem.com/individual-and-family/health-insurance/new-hampshire/ |
| NTB | BCBS of Michigan | https://www.bcbsm.com/ |
| NTC | Prefix Not in Use | https://www.bcbs.com/member-services |
| NTD | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NTE | Prefix Not in Use | https://www.bcbs.com/member-services |
| NTF | Premera Blue Cross | https://www.premera.com/visitor |
| NTG | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| NTH | Prefix Not in Use | https://www.bcbs.com/member-services |
| NTI | Wellmark BCBS | https://www.wellmark.com/ |
| NTJ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NTK | Prefix Not in Use | https://www.bcbs.com/member-services |
| NTL | Prefix Not in Use | https://www.bcbs.com/member-services |
| NTM | BCBS of Illinois | https://www.bcbsil.com/ |
| NTO | Wellmark BCBS | https://www.wellmark.com/ |
| NTP | Empire BCBS of New York | https://www.empireblue.com/ |
| NTQ | Highmark BCBS | https://www.highmarkbcbs.com/home/ |
| NTR | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NTS | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NTT | Regence | https://www.regence.com/member/home |
| NTU | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NTV | Blue Shield of California | https://blueshieldcaplans.com/ |
| NTW | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NTY | BCBS of North Carolina | https://www.bluecrossnc.com/ |
| NTZ | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NUA | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NUC | BCBS of Illinois | https://www.bcbsil.com/ |
| NUD | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NUE | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NUF | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NUG | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NUH | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NUI | Regence | https://www.regence.com/member/home |
| NUJ | Premera Blue Cross | https://www.premera.com/visitor |
| NUK | BCBS of Texas | https://www.bcbstx.com/ |
| NUM | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NUN | Independence Blue Cross | https://www.ibx.com/index.jsp |
| NUO | BCBS of Michigan | https://www.bcbsm.com/ |
| NUQ | BCBS of Massachusetts | https://home.bluecrossma.com/ |
| NUR | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| NUS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NUT | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NUU | BCBS of Illinois | https://www.bcbsil.com/ |
| NUV | BCBS of Illinois | https://www.bcbsil.com/ |
| NUW | Prefix Not in Use | https://www.bcbs.com/member-services |
| NUZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NVC | Regence | https://www.regence.com/member/home |
| NVD | BCBS of Illinois | https://www.bcbsil.com/ |
| NVE | Wellmark BCBS | https://www.wellmark.com/ |
| NVF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NVG | BCBS of Michigan | https://www.bcbsm.com/ |
| NVH | Premera Blue Cross | https://www.premera.com/visitor |
| NVI | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NVJ | Anthem BCBS of Wisconsin | https://www.anthem.com/individual-and-family/wisconsin/ |
| NVL | BCBS of Texas | https://www.bcbstx.com/ |
| NVM | Wellmark BCBS | https://www.wellmark.com/ |
| NVO | Independence Blue Cross | https://www.ibx.com/index.jsp |
| NVP | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NVR | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NVS | Prefix Not in Use | https://www.bcbs.com/member-services |
| NVU | Premera Blue Cross | https://www.premera.com/visitor |
| NVV | BCBS of Illinois | https://www.bcbsil.com/ |
| NVY | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NVZ | BCBS of Florida | https://www.floridablue.com/ |
| NWA | Prefix Not in Use | https://www.bcbs.com/member-services |
| NWB | Premera Blue Cross | https://www.premera.com/visitor |
| NWC | BCBS of Florida | https://www.floridablue.com/ |
| NWD | Anthem BCBS of Colorado | https://www.anthem.com/individual-and-family/health-insurance/colorado/ |
| NWF | Prefix Not in Use | https://www.bcbs.com/member-services |
| NWH | Regence | https://www.regence.com/member/home |
| NWJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NWL | BCBS of South Carolina | https://www.southcarolinablues.com/web/public/brands/sc/ |
| NWN | Prefix Not in Use | https://www.bcbs.com/member-services |
| NWO | Prefix Not in Use | https://www.bcbs.com/member-services |
| NWP | BCBS of Minnesota | https://www.bluecrossmn.com/ |
| NWS | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NWT | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NWU | Prefix Not in Use | https://www.bcbs.com/member-services |
| NWV | Premera Blue Cross | https://www.premera.com/visitor |
| NWW | Wellmark BCBS | https://www.wellmark.com/ |
| NWX | Blue Cross of Idaho | https://www.bcidaho.com/ |
| NWZ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NXA | BCBS of Western New York | https://www.bcbswny.com/ |
| NXB | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| NXC | Anthem BCBS of Indiana | https://www.anthem.com/individual-and-family/health-insurance/indiana/ |
| NXD | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NXE | Anthem BCBS of Connecticut | https://www.anthem.com/individual-and-family/health-insurance/connecticut/ |
| NXH | Blue Shield of California | https://blueshieldcaplans.com/ |
| NXL | Premera Blue Cross | https://www.premera.com/visitor |
| NXM | BCBS of Texas | https://www.bcbstx.com/ |
| NXN | Blue Cross of Idaho | https://www.bcidaho.com/ |
| NXP | Blue Shield of California | https://blueshieldcaplans.com/ |
| NXQ | BCBS of Illinois | https://www.bcbsil.com/ |
| NXS | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NXT | Prefix Not in Use | https://www.bcbs.com/member-services |
| NXU | Empire BCBS of New York | https://www.empireblue.com/ |
| NXV | Prefix Not in Use | https://www.bcbs.com/member-services |
| NXW | Premera Blue Cross | https://www.premera.com/visitor |
| NXX | Prefix Not in Use | https://www.bcbs.com/member-services |
| NXY | Prefix Not in Use | https://www.bcbs.com/member-services |
| NXZ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NYA | Empire BCBS of New York | https://www.empireblue.com/ |
| NYB | Empire BCBS of New York | https://www.empireblue.com/ |
| NYC | Empire BCBS of New York | https://www.empireblue.com/ |
| NYD | Empire BCBS of New York | https://www.empireblue.com/ |
| NYF | Blue Shield of Northeastern New York | https://www.bsneny.com/ |
| NYH | Empire BCBS of New York | https://www.empireblue.com/ |
| NYI | Empire BCBS of New York | https://www.empireblue.com/ |
| NYL | Carefirst BCBS of Maryland | https://individual.carefirst.com/individuals-families/home.page |
| NYM | Horizon BCBS of New Jersey | https://www.horizonblue.com/ |
| NYO | Empire BCBS of New York | https://www.empireblue.com/ |
| NYQ | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NYR | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NYV | Anthem BCBS of Ohio | https://www.anthem.com/individual-and-family/health-insurance/ohio |
| NYW | BCBS of Illinois | https://www.bcbsil.com/ |
| NYX | BCBS of Alabama | https://www.bcbsal.org/web/index.html |
| NYY | Empire BCBS of New York | https://www.empireblue.com/ |
| NZA | BCBS of Illinois | https://www.bcbsil.com/ |
| NZB | Prefix Not in Use | https://www.bcbs.com/member-services |
| NZH | BCBS of Michigan | https://www.bcbsm.com/ |
| NZI | BCBS of Arizona | https://www.azblue.com/individualsandfamilies |
| NZJ | Prefix Not in Use | https://www.bcbs.com/member-services |
| NZK | Independence Blue Cross | https://www.ibx.com/index.jsp |
| NZL | Wellmark BCBS | https://www.wellmark.com/ |
| NZM | Anthem BCBS of Georgia | https://www.anthem.com/individual-and-family/health-insurance/georgia/ |
| NZT | BCBS of Florida | https://www.floridablue.com/ |
| NZU | BCBS of Nebraska | https://www.nebraskablue.com/ |
| NZV | Wellmark BCBS | https://www.wellmark.com/ |
| NZW | BCBS of Tennessee | https://www.bcbst.com/get-insurance/index.page |
| NZX | Prefix Not in Use | https://www.bcbs.com/member-services |
| NZY | BCBS of Illinois | https://www.bcbsil.com/ |