Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
585-550 9 Rochester NY   974   2023-09-18   
585-660 2 Rochester NY   974   2023-09-07   
585-660 3 Rochester NY   974   2023-09-07   
585-660 6 Rochester NY   974   2023-09-07   
601-468 4 Waynesboro MS   482   2026-04-23   
605-650 A Sioux Falls SD SXFLSDCOX7X  640      
605-650 1 Sioux Falls SD SXFLSDCOX7X  640   2019-11-09   
605-888 1 Chamberlain SD   640   2026-05-23   
606-888 4 Pineville KY   466   2026-04-23   
607-309 A Endicott NY BNGHNYHYXDY  138      
607-309 1 Endicott NY BNGHNYHYXDY  138   2019-04-14   
609-966 A Pleasantville NJ PSVLNJPLXAZ  220      
609-966 1 Pleasantville NJ PSVLNJPLXAZ  220   2019-10-21   
610-610 5 Morgantown PA   228   2026-04-23   
612-445 A Twin Cities MN MPLSMNCDAMD  628      
612-445 1 Twin Cities MN MPLSMNCDAMD  628   2019-11-08   
614-683 A Alton OH CLMBOHLT8MD  324      
614-683 1 Alton OH CLMBOHLT8MD  324   2018-04-29   
615-615 9 Spencer Mill TN   470   2026-05-23   
616-306 A Grand Rapids MI GDRPMIBL38Z  348      
616-306 1 Grand Rapids MI GDRPMIBL38Z  348   2019-11-07   
619-999 4 Rancho Santa Fe CA   732   2026-04-23   
626-540 A Azusa-Glendora CA LSANCARC48Z  730      
626-540 3 Azusa-Glendora CA LSANCARC48Z  730   2018-09-06   
626-631 A Arcadia CA LSANCARC48Z  730      
626-631 1 Arcadia CA LSANCARC48Z  730   2018-04-23   
628-262 A Belvedere CA SNFCCAMKX0X  722      
628-262 1 Belvedere CA SNFCCAMKX0X  722   2018-04-23   
629-236 A Nashville TN NSVLTNMTYGZ  470      
629-236 1 Nashville TN NSVLTNMTYGZ  470   2019-10-24   
636-465 8 Festus-Crystal City MO   520   2026-02-13   
636-500 5 Imperial MO   520   2026-05-23   
641-999 4 Nashua IA   632   2026-05-22   
646-995 A New York City Zone 01 NY NYCMNYBXUMD  132      
646-995 1 New York City Zone 01 NY NYCMNYBXUMD  132   2019-04-14   
659-587 A Tuscaloosa AL   476   2026-03-28   
659-587 8 Tuscaloosa AL   476   2026-03-28   
660-444 3 Glasgow MO   524   2026-05-23   
661-613 A Edwards CA BKFDCA11X9X  734      
661-738 A Bakersfield: Main DA CA   734   2026-05-21   
661-738 8 Bakersfield: Main DA CA   734   2026-05-21   
667-256 A Aberdeen MD BLTMMDCHXWX  236      
667-256 1 Aberdeen MD BLTMMDCHXWX  236   2018-11-18   
667-271 A Salisbury MD SLBRMDSBXZX  242      
667-271 1 Salisbury MD SLBRMDSBXZX  242   2019-11-01   
680-214 A Syracuse NY SYRCNYSUXDX  136      
680-214 1 Syracuse NY SYRCNYSUXDX  136   2019-04-14   
680-277 4 Mexico NY   136   2026-05-23   
680-327 8 Hamilton NY   136   2026-05-23   
680-680 A Phelps NY   136      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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