Uncategorized

BCBS Prefix List ZAA to ZZZ

BCBS Prefix List 2024 - Alpha	State Lookup	BCBS Company
ZAA	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAB	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAC	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAD	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAE	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAF	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAG	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAH	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAI	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAJ	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAK	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAL	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAM	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAN	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAO	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAP	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAQ	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAR	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAS	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAT	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAU	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAV	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAW	-	Unallocated/Not Assigned
ZAX	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZAY	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZAZ	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZBA	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBB	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
ZBC	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZBD	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBE	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBF	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBG	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBH	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBI	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBJ	-	Unallocated/Not Assigned
ZBK	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZBL	California	Blue-Shield of California
ZBM	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBN	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBO	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBP	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBQ	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZBR	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBS	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
ZBT	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZBU	Illinois	Blue-Cross Blue-Shield of Illinois
ZBV	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZBW	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZBX	California	Anthem Blue-Cross
ZBY	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZBZ	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZCA	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCB	Costa Rica	Blue-Cross Blue-Shield of Costa Rica
ZCC	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCD	-	Unallocated/Not Assigned
ZCE	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCF	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCG	-	Unallocated/Not Assigned
ZCH	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCI	Kentucky	Anthem Blue-Cross Blue-Shield of Kentucky
ZCJ	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCK	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCL	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCM	-	Unallocated/Not Assigned
ZCN	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCO	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCP	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCQ	-	Unallocated/Not Assigned
ZCR	-	Unallocated/Not Assigned
ZCS	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCT	-	Unallocated/Not Assigned
ZCU	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCV	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCW	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCX	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCY	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZCZ	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZDA	California	Blue-Shield of California
ZDB	California	Blue-Shield of California
ZDC	-	Unallocated/Not Assigned
ZDD	Kentucky	Anthem Blue-Cross Blue-Shield of Kentucky
ZDE	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZDF	-	Unallocated/Not Assigned
ZDG	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZDH	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZDI	California	Anthem Blue-Cross
ZDJ	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZDK	California	Blue-Shield of California
ZDL	Illinois	Blue-Cross Blue-Shield of Illinois
ZDM	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZDN	-	Unallocated/Not Assigned
ZDO	California	Anthem Blue-Cross
ZDP	New York	Empire Blue-Cross Blue-Shield of New York
ZDQ	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZDR	-	Unallocated/Not Assigned
ZDS	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZDT	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZDU	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZDV	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZDW	New York	Empire Blue-Cross Blue-Shield of New York
ZDX	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
ZDY	California	Blue-Shield of California
ZDZ	-	Unallocated/Not Assigned
ZEA	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEB	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEC	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZED	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEE	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEF	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZEG	Illinois	Blue-Cross Blue-Shield of Illinois
ZEH	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEI	California	Anthem Blue-Cross
ZEJ	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEK	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEL	-	Unallocated/Not Assigned
ZEM	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEN	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEO	California	Anthem Blue-Cross
ZEP	-	Unallocated/Not Assigned
ZEQ	California	Anthem Blue-Cross
ZER	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZES	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZET	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEU	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEV	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEW	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEX	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZEY	-	Unallocated/Not Assigned
ZEZ	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZFA	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZFB	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZFC	Illinois	Blue-Cross Blue-Shield of Illinois
ZFD	Alabama	Blue-Cross Blue-Shield of Alabama
ZFE	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZFF	Alaska	Premera Blue-Cross of Alaska
ZFG	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZFH	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZFI	Michigan	Blue-Cross Blue-Shield of Michigan
ZFJ	-	Unallocated/Not Assigned
ZFK	-	Unallocated/Not Assigned
ZFL	California	Blue-Shield of California
ZFM	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZFN	Illinois	Blue-Cross Blue-Shield of Illinois
ZFO	California	Anthem Blue-Cross
ZFP	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZFQ	California	Anthem Blue-Cross
ZFR	Illinois	Blue-Cross Blue-Shield of Illinois
ZFS	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZFT	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZFU	Illinois	Blue-Cross Blue-Shield of Illinois
ZFV	Illinois	Blue-Cross Blue-Shield of Illinois
ZFW	Illinois	Blue-Cross Blue-Shield of Illinois
ZFX	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZFY	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
ZFZ	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZGA	Texas	Blue-Cross Blue-Shield of Texas
ZGB	Texas	Blue-Cross Blue-Shield of Texas
ZGC	Texas	Blue-Cross Blue-Shield of Texas
ZGD	Texas	Blue-Cross Blue-Shield of Texas
ZGE	Texas	Blue-Cross Blue-Shield of Texas
ZGF	-	Unallocated/Not Assigned
ZGG	-	Unallocated/Not Assigned
ZGH	Texas	Blue-Cross Blue-Shield of Texas
ZGI	Texas	Blue-Cross Blue-Shield of Texas
ZGJ	Texas	Blue-Cross Blue-Shield of Texas
ZGK	-	Unallocated/Not Assigned
ZGL	Texas	Blue-Cross Blue-Shield of Texas
ZGM	Texas	Blue-Cross Blue-Shield of Texas
ZGN	Texas	Blue-Cross Blue-Shield of Texas
ZGO	Texas	Blue-Cross Blue-Shield of Texas
ZGP	Texas	Blue-Cross Blue-Shield of Texas
ZGQ	Texas	Blue-Cross Blue-Shield of Texas
ZGR	Texas	Blue-Cross Blue-Shield of Texas
ZGS	Texas	Blue-Cross Blue-Shield of Texas
ZGT	Texas	Blue-Cross Blue-Shield of Texas
ZGU	Texas	Blue-Cross Blue-Shield of Texas
ZGV	Texas	Blue-Cross Blue-Shield of Texas
ZGW	Texas	Blue-Cross Blue-Shield of Texas
ZGX	Texas	Blue-Cross Blue-Shield of Texas
ZGY	Texas	Blue-Cross Blue-Shield of Texas
ZGZ	Texas	Blue-Cross Blue-Shield of Texas
ZHA	California	Blue-Shield of California
ZHB	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHC	California	Blue-Shield of California
ZHD	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHE	New York	Empire Blue-Cross Blue-Shield of New York
ZHF	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZHG	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHH	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHI	-	Unallocated/Not Assigned
ZHJ	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZHK	Alabama	Blue-Cross Blue-Shield of Alabama
ZHL	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHM	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHN	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZHO	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHP	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZHQ	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZHR	-	Unallocated/Not Assigned
ZHS	New York	Empire Blue-Cross Blue-Shield of New York
ZHT	California	Blue-Shield of California
ZHU	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHV	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHW	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZHX	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZHY	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZHZ	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZIA	Vermont	Blue-Cross Blue-Shield of Vermont
ZIB	Vermont	Blue-Cross Blue-Shield of Vermont
ZIC	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
ZID	Vermont	Blue-Cross Blue-Shield of Vermont
ZIE	Vermont	Blue-Cross Blue-Shield of Vermont
ZIF	-	Unallocated/Not Assigned
ZIG	Vermont	Blue-Cross Blue-Shield of Vermont
ZIH	Vermont	Blue-Cross Blue-Shield of Vermont
ZII	Vermont	Blue-Cross Blue-Shield of Vermont
ZIJ	Vermont	Blue-Cross Blue-Shield of Vermont
ZIK	Vermont	Blue-Cross Blue-Shield of Vermont
ZIL	Vermont	Blue-Cross Blue-Shield of Vermont
ZIM	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZIN	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZIO	Michigan	Blue-Cross Blue-Shield of Michigan
ZIP	California	Anthem Blue-Cross
ZIQ	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
ZIR	California	Anthem Blue-Cross
ZIS	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZIT	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZIU	Vermont	Blue-Cross Blue-Shield of Vermont
ZIV	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZIW	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZIX	California	Anthem Blue-Cross
ZIY	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
ZIZ	Michigan	Blue-Cross Blue-Shield of Michigan
ZJA	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZJB	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZJC	-	Unallocated/Not Assigned
ZJD	California	Anthem Blue-Cross
ZJE	-	Unallocated/Not Assigned
ZJF	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
ZJG	Alabama	Blue-Cross Blue-Shield of Alabama
ZJH	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
ZJI	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZJJ	-	Unallocated/Not Assigned
ZJK	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZJL	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
ZJM	California	Anthem Blue-Cross
ZJN	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZJO	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZJP	California	Anthem Blue-Cross
ZJQ	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZJR	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZJS	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZJT	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
ZJU	California	Anthem Blue-Cross
ZJV	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZJW	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZJX	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZJY	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZJZ	-	Unallocated/Not Assigned
ZKA	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKB	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKC	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKD	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKE	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKF	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKG	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKH	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKI	Alaska	Premera Blue-Cross of Alaska
ZKJ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKK	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKL	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKM	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKN	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKO	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
ZKP	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKQ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKR	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKS	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKT	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKU	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKV	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKW	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZKX	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKY	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZKZ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZLA	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLB	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLC	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLD	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLE	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLF	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLG	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLH	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLI	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZLJ	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLK	-	Unallocated/Not Assigned
ZLL	-	Unallocated/Not Assigned
ZLM	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLN	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLO	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLP	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLQ	-	Unallocated/Not Assigned
ZLR	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLS	-	Unallocated/Not Assigned
ZLT	Idaho	Blue-Cross of Idaho
ZLU	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLV	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLW	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLX	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZLY	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZLZ	California	Blue-Shield of California
ZMA	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZMB	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZMC	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZMD	California	Anthem Blue-Cross
ZME	-	Unallocated/Not Assigned
ZMF	California	Anthem Blue-Cross
ZMG	New York	Empire Blue-Cross Blue-Shield of New York
ZMH	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZMI	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
ZMJ	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZMK	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZML	Kansas	Blue-Cross Blue-Shield of Kansas
ZMM	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZMN	-	Unallocated/Not Assigned
ZMO	Idaho	Blue-Cross of Idaho
ZMP	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZMQ	-	Unallocated/Not Assigned
ZMR	New York	Empire Blue-Cross Blue-Shield of New York
ZMS	-	Unallocated/Not Assigned
ZMT	Idaho	Blue-Cross of Idaho
ZMU	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZMV	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZMW	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZMX	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZMY	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZMZ	California	Anthem Blue-Cross
ZNA	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNB	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNC	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZND	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZNE	Alabama	Blue-Cross Blue-Shield of Alabama
ZNF	California	Anthem Blue-Cross
ZNG	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZNH	Idaho	Blue-Cross of Idaho
ZNI	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZNJ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNK	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNL	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZNM	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZNN	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNO	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZNP	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNQ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNR	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZNS	-	Unallocated/Not Assigned
ZNT	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZNU	-	Unallocated/Not Assigned
ZNV	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZNW	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNX	-	Unallocated/Not Assigned
ZNY	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZNZ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZOA	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZOB	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZOC	California	Blue-Shield of California
ZOD	Pennsylvania	Highmark Blue-Shield of Pennsylvania
ZOE	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZOF	Michigan	Blue-Cross Blue-Shield of Michigan
ZOG	Pennsylvania	Highmark Blue-Shield of Pennsylvania
ZOH	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZOI	Pennsylvania	Highmark Blue-Shield of Pennsylvania
ZOJ	Pennsylvania	Highmark Blue-Shield of Pennsylvania
ZOK	Pennsylvania	Highmark Blue-Shield of Pennsylvania
ZOL	Pennsylvania	Highmark Blue-Shield of Pennsylvania
ZOM	South Carolina	Blue-Cross Blue-Shield of South Carolina
ZON	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZOO	Michigan	Blue-Cross Blue-Shield of Michigan
ZOP	California	Blue-Shield of California
ZOQ	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZOR	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZOS	California	Blue-Shield of California
ZOT	California	Anthem Blue-Cross
ZOU	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZOV	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZOW	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZOX	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZOY	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZOZ	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZPA	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPB	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZPC	-	Unallocated/Not Assigned
ZPD	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPE	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPF	-	Unallocated/Not Assigned
ZPG	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPH	-	Unallocated/Not Assigned
ZPI	California	Blue-Shield of California
ZPJ	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZPK	Illinois	Blue-Cross Blue-Shield of Illinois
ZPL	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZPM	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZPN	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPO	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPP	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPQ	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZPR	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZPS	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ZPT	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPU	California	Anthem Blue-Cross
ZPV	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZPW	West Virginia	Highmark Blue-Cross Blue-Shield of West Virginia
ZPX	-	Unallocated/Not Assigned
ZPY	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZPZ	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZQA	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZQB	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZQC	-	Unallocated/Not Assigned
ZQD	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZQE	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZQF	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZQG	New York (Northeastern)	Blue-Shield of Northeastern New York
ZQH	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
ZQI	Michigan	Blue-Cross Blue-Shield of Michigan
ZQJ	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZQK	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZQL	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZQM	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZQN	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZQO	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZQP	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZQQ	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
ZQR	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZQS	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZQT	-	Unallocated/Not Assigned
ZQU	California	Anthem Blue-Cross
ZQV	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZQW	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZQX	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZQY	New York (Northeastern)	Blue-Shield of Northeastern New York
ZQZ	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
ZRA	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZRB	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZRC	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZRD	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZRE	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZRF	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZRG	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZRH	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZRI	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZRJ	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZRK	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZRL	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZRM	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZRN	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZRO	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZRP	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
ZRQ	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
ZRR	Michigan	Blue-Cross Blue-Shield of Michigan
ZRS	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZRT	California	Blue-Shield of California
ZRU	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
ZRV	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZRW	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZRX	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZRY	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZRZ	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZSA	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSB	-	Unallocated/Not Assigned
ZSC	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSD	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSE	-	Unallocated/Not Assigned
ZSF	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSG	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZSH	-	Unallocated/Not Assigned
ZSI	California	Anthem Blue-Cross
ZSJ	-	Unallocated/Not Assigned
ZSK	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSL	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZSM	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSN	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZSO	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZSP	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZSQ	-	Unallocated/Not Assigned
ZSR	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZSS	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZST	California	Anthem Blue-Cross
ZSU	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZSV	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZSW	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZSX	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZSY	Illinois	Blue-Cross Blue-Shield of Illinois
ZSZ	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZTA	Kentucky	Anthem Blue-Cross Blue-Shield of Kentucky
ZTB	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZTC	-	Unallocated/Not Assigned
ZTD	Alabama	Blue-Cross Blue-Shield of Alabama
ZTE	-	Unallocated/Not Assigned
ZTF	California	Anthem Blue-Cross
ZTG	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
ZTH	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
ZTI	California	Blue-Shield of California
ZTJ	California	Anthem Blue-Cross
ZTK	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZTL	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
ZTM	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZTN	Texas	Blue-Cross Blue-Shield of Texas
ZTO	New York	Empire Blue-Cross Blue-Shield of New York
ZTP	California	Blue-Shield of California
ZTQ	California	Anthem Blue-Cross
ZTR	-	Unallocated/Not Assigned
ZTS	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZTT	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
ZTU	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
ZTV	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZTW	-	Unallocated/Not Assigned
ZTX	-	Unallocated/Not Assigned
ZTY	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZTZ	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZUA	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUB	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZUC	California	Anthem Blue-Cross
ZUD	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZUE	-	Unallocated/Not Assigned
ZUF	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZUG	California	Anthem Blue-Cross
ZUH	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUI	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZUJ	California	Anthem Blue-Cross
ZUK	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUL	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZUM	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUN	-	Unallocated/Not Assigned
ZUO	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZUP	California	Blue-Shield of California
ZUQ	California	Anthem Blue-Cross
ZUR	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUS	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUT	-	Unallocated/Not Assigned
ZUU	Illinois	Blue-Cross Blue-Shield of Illinois
ZUV	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUW	Illinois	Blue-Cross Blue-Shield of Illinois
ZUX	Puerto Rico	Triple-S SALUD Blue-Cross Blue-Shield of Puerto Rico
ZUY	-	Unallocated/Not Assigned
ZUZ	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVA	-	Unallocated/Not Assigned
ZVB	Louisiana	Blue-Cross Blue-Shield of Louisiana
ZVC	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
ZVD	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
ZVE	Texas	Blue-Cross Blue-Shield of Texas
ZVF	New York	Empire Blue-Cross Blue-Shield of New York
ZVG	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVH	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVI	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZVJ	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVK	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVL	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
ZVM	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZVN	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZVO	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZVP	Maine	Anthem Blue-Cross Blue-Shield of Maine
ZVQ	California	Anthem Blue-Cross
ZVR	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZVS	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZVT	Illinois	Blue-Cross Blue-Shield of Illinois
ZVU	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVV	California	Anthem Blue-Cross
ZVW	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVX	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVY	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
ZVZ	Kentucky	Anthem Blue-Cross Blue-Shield of Kentucky
ZWA	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWB	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWC	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWD	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWE	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWF	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWG	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWH	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWI	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWJ	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
ZWK	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWL	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWM	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWN	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWO	-	Unallocated/Not Assigned
ZWP	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWQ	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWR	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWS	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWT	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWU	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWV	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWW	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWX	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWY	New York (Northeastern)	Blue-Shield of Northeastern New York
ZWZ	New York (Northeastern)	Blue-Shield of Northeastern New York
ZXA	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXB	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXC	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZXD	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXE	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXF	-	Unallocated/Not Assigned
ZXG	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXH	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXI	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZXJ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZXK	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXL	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZXM	-	Unallocated/Not Assigned
ZXN	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZXO	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZXP	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXQ	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZXR	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXS	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXT	New York (Western)	Blue-Cross Blue-Shield of Western New York
ZXU	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZXV	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXW	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
ZXX	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXY	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZXZ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZYA	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYB	New York	Empire Blue-Cross Blue-Shield of New York
ZYC	-	Unallocated/Not Assigned
ZYD	New York	Empire Blue-Cross Blue-Shield of New York
ZYE	New York	Empire Blue-Cross Blue-Shield of New York
ZYF	California	Anthem Blue-Cross
ZYG	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYH	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYI	California	Anthem Blue-Cross
ZYJ	New York	Empire Blue-Cross Blue-Shield of New York
ZYK	New York	Empire Blue-Cross Blue-Shield of New York
ZYL	New York	Empire Blue-Cross Blue-Shield of New York
ZYM	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYN	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYO	California	Anthem Blue-Cross
ZYP	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZYQ	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZYR	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYS	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYT	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZYU	Illinois	Blue-Cross Blue-Shield of Illinois
ZYV	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYW	Wyoming	Blue-Cross Blue-Shield of Wyoming
ZYX	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZYY	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
ZYZ	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZZA	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZZB	South Dakota/Iowa	Wellmark Blue-Cross Blue-Shield
ZZC	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
ZZD	California	Anthem Blue-Cross
ZZE	California	Anthem Blue-Cross
ZZF	California	Anthem Blue-Cross
ZZG	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
ZZH	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
ZZI	California	Blue-Shield of California
ZZJ	Tennessee	Blue-Cross Blue-Shield of Tennessee
ZZK	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
ZZL	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZZM	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZN	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZO	California	Anthem Blue-Cross
ZZP	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZQ	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZR	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZS	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
ZZT	Texas	Blue-Cross Blue-Shield of Texas
ZZU	Minnesota	Blue-Cross Blue-Shield of Minnesota
ZZV	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZW	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZX	-	Unallocated/Not Assigned
ZZY	Alaska	Premera Blue-Cross Blue-Shield of Alaska
ZZZ	California	Anthem Blue-Cross

BCBS Prefix List ZAA to ZZZ

Blue Cross Blue Shield Provider Phone Number

Blue Cross Blue Shield Federal Phone Number