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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
602-891 A Phoenix AZ PHNXAZ19HMD  666   2025-09-21   
602-891 0 Phoenix AZ PHNXAZ19HMD  666   2025-09-21   
603-467 A Manchester NH MNCHNHBOBMD  122      
603-467 1 Manchester NH MNCHNHBOBMD  122   2026-05-03   
605-476 A Sioux Falls SD SXFLSDPSFMD  640   2025-10-04   
605-476 0 Sioux Falls SD SXFLSDPSFMD  640   2025-10-04   
607-473 A Binghamton NY BNGHNYHYXSY  138   2025-09-13   
607-473 0 Binghamton NY BNGHNYHYXSY  138   2025-09-13   
614-605 A Columbus OH CLMDOH44OMD  324      
614-605 5 Columbus OH CLMDOH44OMD  324   2025-09-30   
616-684 A Grand Rapids MI BRSPMI09KMD  348      
616-684 0 Grand Rapids MI BRSPMI09KMD  348   2026-03-24   
628-998 A San Francisco: Central DA CA SNJUCACLCMD  722      
628-998 9 San Francisco: Central DA CA SNJUCACLCMD  722   2025-10-03   
629-339 A Nashville TN NSVNTNGNEMD  470   2026-03-23   
629-339 0 Nashville TN NSVNTNGNEMD  470   2026-03-23   
640-296 A Pleasantville NJ PSVLNJPLXZZ  220   2026-01-31   
640-296 0 Pleasantville NJ PSVLNJPLXZZ  220   2026-01-31   
645-251 A Miami FL MIAUFLWSFMD  46017   2025-09-25   
645-251 0 Miami FL MIAUFLWSFMD  46017   2025-09-25   
656-267 A Tampa East FL TAMSFLDEXBX  952   2025-09-25   
656-267 0 Tampa East FL TAMSFLDEXBX  952   2025-09-25   
659-314 A Birmingham AL BRHMALHROMD  476   2026-01-17   
659-314 0 Birmingham AL BRHMALHROMD  476   2026-01-17   
661-682 A Bakersfield: Main DA CA BKFDCAKTXIX  734   2025-09-25   
661-682 0 Bakersfield: Main DA CA BKFDCAKTXIX  734   2025-09-25   
667-533 A Pikesville MD BLTQMD01HMD  238   2026-01-23   
667-533 0 Pikesville MD BLTQMD01HMD  238   2026-01-23   
667-534 A Salisbury MD SLBRMD90FMD  242   2026-01-23   
667-534 0 Salisbury MD SLBRMD90FMD  242   2026-01-23   
680-330 A Syracuse NY SYRCNY02EMD  136   2026-02-02   
680-330 0 Syracuse NY SYRCNY02EMD  136   2026-02-02   
681-579 A Charleston Zone 1 WV CHTNWVCEHMD  254   2025-10-16   
681-579 0 Charleston Zone 1 WV CHTNWVCEHMD  254   2025-10-16   
681-596 A Morgantown WV MGTWWVDXFMD  256   2026-04-11   
681-596 0 Morgantown WV MGTWWVDXFMD  256   2026-04-11   
681-640 A Bluefield WV BLFDWVDJCMD  932   2026-03-06   
681-640 0 Bluefield WV BLFDWVDJCMD  932   2026-03-06   
686-209 A Richmond VA RCMEVABAX4X  248   2026-02-16   
686-209 0 Richmond VA RCMEVABAX4X  248   2026-02-16   
689-358 A Orlando FL ORLDFL60X9Y  45806   2025-09-25   
689-358 0 Orlando FL ORLDFL60X9Y  45806   2025-09-25   
701-606 A Bismarck ND BSMRNDJCTMD  638   2025-09-06   
701-606 0 Bismarck ND BSMRNDJCTMD  638   2025-09-06   
701-608 A Fargo ND FARGNDBCXYY  636   2026-03-06   
701-608 0 Fargo ND FARGNDBCXYY  636   2026-03-06   
712-503 A Sioux City IA SXCYIA79CMD  630   2026-01-22   
712-503 0 Sioux City IA SXCYIA79CMD  630   2026-01-22   
715-982 A Eau Claire WI EUCLWIATUMD  352   2025-09-14   
715-982 0 Eau Claire WI EUCLWIATUMD  352   2025-09-14   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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