| JAF JAG JAI JAN JAP JAV JAW JAY JBA JBJ JBK JBV JBX JBY JBZ JCM JCP JCR JDR JDV JEG JEK JER JEU JEW JFA JFD JFE JFF JFG JFI JFL JFQ JFW JGA JHK JHL JHS JHV JIM JJB JJI JJL JJZ JKC JKH JKI JKO JKR JLD JLE JLH JLM JLO JLQ JLR JLV JLW JMO JMX JMY JNO JNQ JNR JNS JNU JNV JNY JOB JOC JOE JOR JPD JPH JPJ JPK JPL JPQ JPR JPZ JQA JQM JQN JRC JRE JRH JRK JRL JRT JRX JSF JSP JSW JSX JSY JSZ JTG JTJ JTK JTT JUB JVI JVT JVV JVZ JWY JWZ JXB JXC JXF JXG JXI JXJ JXS JXX JYG JYJ JYP JZB JZG JZI JZK JZL JZM JZN JZO JZP JZR JZS JZV JZX JZZ | Alpha Prefix not assigned or unallocated |
| JBB JBQ JCV JFH JHQ JID JIH JIP JLA JME JRP JTP JYH JYU | Anthem Blue Cross Blue Shield of Colorado |
| JNP JTM | Anthem Blue Cross Blue Shield of Connecticut |
| JCL JDC JDM JEM JFS JFU JIS JIU JIV JJH JJS JJU JKF JKG JKL JMF JMM JPP JRA JRB JRD JRF JRV JSD JSJ JSU JTZ JUG JUW JUX JXQ JXU | Anthem Blue Cross Blue Shield of Georgia |
| JJY JPT JTV JYV | Anthem Blue Cross Blue Shield of Indiana |
| JKA | Anthem Blue Cross Blue Shield of Kentucky |
| JIZ JMH JVP | Anthem Blue Cross Blue Shield of Maine |
| JCS JOX JPS JTD JWA JWB JWC JWD JWE JWF JWG JWH JWK JWL JWM JWN JWO JWP JWU JWW JXK JYR | Anthem Blue Cross Blue Shield of Missouri |
| JCT JDP JEP JFP JJE JJP JKP JLP JNI JNX JPE JPF JPN JTF JTL JTQ JVU | Anthem Blue Cross Blue Shield of Nevada |
| JKK JXH | Anthem Blue Cross Blue Shield of New Hampshire |
| JAT JAU JBH JBW JCK JCZ JDN JFM JFV JHM JHW JIN JJJ JJM JJO JJW JLL JLU JMS JMU JNE JOM JOS JPY JRG JRI JRS JTU JVC JWJ JWQ JWR JWS JWT JWV JXZ JYM | Anthem Blue Cross Blue Shield of Ohio |
| JEC JKM JKT JKU JKW JQB JTB JTW | Anthem Blue Cross Blue Shield of Virginia |
| JDW JDX JKQ JKS JLK JLS JLZ JOH JOI JOJ | Anthem Blue Cross Blue Shield of Wisconsin |
| JAH JBE JBG JBS JCC JDA JDB JDD JDG JDS JEB JEX JFB JHN JHP JHT JHX JIX JJT JKN JMV JOD JPM JPU JPX JQC JQD JQE JQF JQG JQH JQI JQJ JQK JQL JQO JQP JQQ JQR JQS JQT JQU JQV JQW JQY JQZ JRQ JRZ JUY JXN JXV JYC JYK | Anthem Bluecross of California |
| JBF JBI JBM JCW JOK | Arkansas Blue Cross Blue Shield |
| JDT JIL JLG JLN JMG JSV JVQ | Blue Cross Blue Shield of Alabama |
| JBN JCA JCE JCH JDF JDK JDY JEZ JHU JJF JJN JKB JKD JLX JMJ JMZ JND JNM JNN JNW JSA JST JTH JTS JTY JUN JUU JVB JVD JVE JVJ JVW JXM JYB JYD JYW JYY JYZ | Blue Cross Blue Shield of Illinois |
| JOU | Blue Cross Blue Shield of Kansas City |
| JAB JAM JBR JCB JCF JCU JDZ JEN JEV JHR JJR JJX JMB JMT JNJ JNT JSB JSH JTE | Blue Cross Blue Shield of Massachusetts |
| JIQ JIR JIT JIY JOZ JUI JUO JXD JXE JXP JXT JYI JYN | Blue Cross Blue Shield of Michigan |
| JAA JAE JAJ JAS JAX JBD JBU JCO JPB JZA JZC JZD JZE JZF JZH JZJ JZQ JZT JZU JZW JZY | Blue Cross Blue Shield of Minnesota |
| JBL JGK JHO JWI | Blue Cross Blue Shield of North Carolina |
| JON | Blue Cross Blue Shield of North Dakota |
| JVH | Blue Cross Blue Shield of Oklahoma |
| JIF JMQ JNK JOW JOY JSG JTO JVY JYQ | Blue Cross Blue Shield of Rhode Island |
| JJD | Blue Cross Blue Shield of South Carolina |
| JDH JDL JRO | Blue Cross Blue Shield of Tennessee |
| JBP JCX JCY JEA JET JFC JHY JMN JNA JNC JSK JSN JTC JVA JVN JVX JXA JYA JYT | Blue Cross Blue Shield of Texas |
| JCQ JKZ | Blue Cross Blue Shield of Vermont |
| JDI JEL JMK JML JOA JOT JQX JSO JSR JYX | Blue Cross Blue Shield of Western New York |
| JAC JAD JAZ JCI JIC JNL JPA JPI JRR | Blueshield of California |
| JAK JAQ JCJ JIA JLT JRJ JSE JSS JXY | Blueshield of Northeastern New York |
| JBO | Capital Bluecross of Pennsylvania |
| JAR JBC JDO JDQ JEF JEI JEO JEQ JEY JFJ JFK JFN JFO JFT JFZ JHA JHB JHC JHD JHE JHG JHH JHI JHJ JHZ JIB JIE JIG JJQ JJV JKE JKJ JKV JKX JKY JMA JMI JMR JNF JNG JNH JNZ JOO JOQ JOV JRM JRU JRW JRY JSC JTI JTR JTX JUZ JVG JVO JVR JXO JXR JYF JYL JYO | Carefirst Blue Cross Blue Shield(Maryland/District of Columbia/Northern Virginia) |
| JCG JEH JES JFR JGC JGF JJK JLB JLC JLF JLI JLJ JLY JMP JPC JPG JPV JRN JTA JVM JVS JWX JYE | Empire Blue Cross Blue Shield of New York |
| JIO JUV | Florida Blue |
| JSL | Highmark Blue Cross Blue Shield of Delaware |
| JIK JOF JOL JOP JSM JUA JUC JUD JUE JUF JUH JUJ JUK JUL JUM JUP JUQ JUR JUS JUT | Highmark Blue Cross Blue Shield of Pennsylvania |
| JII JIJ | Highmark Blueshield of Pennsylvania |
| JDJ JDU JEE JEJ JFX JFY JGB JGD JGE JGG JGH JGI JGJ JGL JGM JGN JGO JGP JGQ JGR JGS JGT JGU JGV JGW JGX JGY JGZ JVK JVL JXW | Horizon Blue Cross Blue Shield of New Jersey |
| JAO JBT JIW JJG JMW JPO JPW JSI JXL | Independence Bluecross of Philadelphia and Southeastern Pennsylvania |
| JCN JED JNB JSQ JTN JYS | Premera Blue Cross Blue Shield of Alaska |
| JCD JDE JJA JJC JMD JOG JVF | Regence Blue Cross Blue Shield(Oregon/Idaho/Utah/Washington) |
| JAL JHF JMC | Wellmark Blue Cross Blue Shield of South Dakota/Iowa |