Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7421 AT&T - LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
520-422 9 Bisbee AZ TCSNAZMAXSX  668   2012-10-08   
530-366 A Red Bluff CA CHICCA012MD  724      
530-366 9 Red Bluff CA CHICCA012MD  724      
531-219 A Fremont NE OMAHNENWX4Y  644      
531-219 9 Fremont NE OMAHNENWX4Y  644   2017-10-02   
531-428 A Allen NE   644   2025-11-07   
531-428 9 Allen NE   644   2025-11-07   
540-266 A Roanoke VA RONKVALKX2X  244      
540-266 9 Roanoke VA RONKVALKX2X  244      
540-443 4 Blacksburg VA RONKVALKX2X  244   2006-08-17   
540-633 7 Radford VA RONKVALKX2X  244   2005-11-18   
540-696 A Pearisburg VA RONKVALKX2X  244      
540-696 9 Pearisburg VA RONKVALKX2X  244   2016-09-26   
540-826 A Washington (Rappahannock) VA LSBGVA10AMD  246      
540-826 9 Washington (Rappahannock) VA LSBGVA10AMD  246   2023-12-01   
559-410 A Hanford CA FRSNCA01XDY  728      
559-410 9 Hanford CA FRSNCA01XDY  728   2003-06-06   
561-708 A Belle Glade FL WPBHFLGRXXY  46018      
561-708 9 Belle Glade FL WPBHFLGRXXY  46018   2014-03-03   
561-813 A Pahokee FL WPBHFLANDS1  46018      
561-813 9 Pahokee FL WPBHFLANDS1  46018   2023-04-24   
563-451 A Dubuque IA DVNPIADT6MD  634      
563-451 1 Dubuque IA DVNPIADT6MD  634      
563-499 A Davenport IA DVNPIADT6MD  634      
563-499 9 Davenport IA DVNPIADT6MD  634      
563-845 A Dubuque IA DVNPIADT6MD  634      
563-845 5 Dubuque IA DVNPIADT6MD  634   2009-06-04   
567-470 A Bloomingville OH TOLDOH2133Z  326   2024-12-20   
567-470 9 Bloomingville OH TOLDOH2133Z  326   2024-12-20   
570-569 A Pittston PA SCTNPA01XXX  232      
570-569 9 Pittston PA SCTNPA01XXX  232   2008-03-30   
570-671 A Shenandoah PA BMBGPABL5MD  232      
570-671 9 Shenandoah PA BMBGPABL5MD  232   2012-09-22   
570-706 A Wilkes-Barre PA SCTNPA01XXX  232      
570-706 4 Wilkes-Barre PA SCTNPA01XXX  232      
570-906 A Scranton PA SCTNPA01XXX  232      
570-906 2 Scranton PA SCTNPA01XXX  232      
571-718 A Engleside VA   236   2025-04-28   
571-718 9 Engleside VA   236   2025-04-28   
574-396 A Osceola IN SBNDIN05XFX  332      
574-396 9 Osceola IN SBNDIN05XFX  332   2023-04-10   
575-616 A Artesia NM ALBQNMMAX6Z  664      
575-616 0 Artesia NM ALBQNMMAX6Z  664      
575-680 A Las Cruces NM ALBQNMMAX0X  664      
575-680 9 Las Cruces NM ALBQNMMAX0X  664   2002-08-12   
585-479 A Batavia NY BFLONYFRXVY  140      
585-479 9 Batavia NY BFLONYFRXVY  140   2009-09-25   
585-616 A Albion NY BFLONYFRX2Z  140      
585-616 9 Albion NY BFLONYFRX2Z  140   2022-04-05   
603-373 2 Portsmouth NH MNCHNHCO37Z  122   2001-07-01   

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

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