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
502-687 9 Bagdad KY LSVLKYAP75Z  462   2023-05-09   
504-202 A New Orleans LA NWORLAMA01Z  490      
504-202 9 New Orleans LA NWORLAMA01Z  490      
504-303 A Kenner LA NWORLAMAYBX  490      
504-303 3 Kenner LA NWORLAMAYBX  490      
504-613 A New Orleans LA NWORLAMAYBX  490      
504-613 1 New Orleans LA NWORLAMAYBX  490      
505-349 A Albuquerque NM ALBQNMMAXVY  664      
505-349 2 Albuquerque NM ALBQNMMAXVY  664      
505-349 6 Albuquerque NM ALBQNMMAXVY  664      
505-349 7 Albuquerque NM ALBQNMMAXVY  664      
505-349 9 Albuquerque NM ALBQNMMAXVY  664      
505-475 A Albuquerque NM ALBQNMMAXVY  664      
505-475 9 Albuquerque NM ALBQNMMAXVY  664   2021-06-28   
505-750 5 Albuquerque NM ALBQNMMAXVY  664   2008-10-03   
505-750 6 Albuquerque NM ALBQNMMAXVY  664   2008-10-03   
505-819 A Santa Fe NM ALBQNMMAX5Z  664      
505-819 4 Santa Fe NM ALBQNMMAX5Z  664      
507-322 A Rochester MN MDFDMNAT2MD  620      
507-322 2 Rochester MN MDFDMNAT2MD  620      
507-322 9 Rochester MN MDFDMNAT2MD  620      
507-328 A Rochester MN MDFDMNAT2MD  620      
507-328 8 Rochester MN MDFDMNAT2MD  620      
507-328 9 Rochester MN MDFDMNAT2MD  620      
508-614 A Westboro MA FRMNMAWAEMD  128      
508-614 1 Westboro MA FRMNMAWAEMD  128      
508-614 3 Westboro MA FRMNMAWAEMD  128      
509-213 A Springdale WA SPKNWA01XPY  676      
509-213 9 Springdale WA SPKNWA01XPY  676   2022-03-17   
509-842 A Spokane WA SPKNWA01XPY  676      
509-842 1 Spokane WA SPKNWA01XPY  676      
510-240 4 Fremont-Newark: Greenleaf DA CA SNFCCA01DS5  722   2002-09-03   
510-342 1 Hayward CA SNFCCA01DS5  722   2010-01-20   
510-344 4 Fremont-Newark: Oliver DA CA SNFCCA01DS5  722   2004-07-23   
510-576 4 Hayward CA SNFCCA01DS5  722   2001-07-25   
510-960 A Oakland: Berkeley DA CA OKLDCA03XMY  722      
510-960 7 Oakland: Berkeley DA CA OKLDCA03XMY  722   2019-11-01   
512-855 A Lockhart TX AUSTTXGRXVY  558      
512-855 9 Lockhart TX AUSTTXGRXVY  558   2002-05-19   
513-962 A Newtonsville OH CNCNOHWSXUZ  922      
513-962 9 Newtonsville OH CNCNOHWSXUZ  922   2023-05-21   
515-313 A Des Moines IA DESMIADTIMD  632      
515-313 2 Des Moines IA DESMIADTIMD  632      
515-313 4 Des Moines IA DESMIADTIMD  632      
515-313 9 Des Moines IA DESMIADTIMD  632      
515-559 A Des Moines IA DESMIADTDS3  632      
515-559 0 Des Moines IA DESMIADTDS3  632      
515-559 1 Des Moines IA DESMIADTDS3  632      
515-559 2 Des Moines IA DESMIADTDS3  632      
515-559 5 Des Moines IA DESMIADTDS3  632      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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