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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OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
831-287 2 Salinas CA SLNSCA01XQY  736   2011-09-01   
831-287 3 Salinas CA SLNSCA01XQY  736   2013-09-20   
831-290 A Gonzales CA SLNSCA01XQY  736      
831-324 6 Monterey CA SLNSCA01XQY  736   2012-01-12   
831-406 6 Watsonville CA SNJSCAYB0MD  722   2011-12-12   
831-515 A Santa Cruz CA SNJSCAYB0MD  722      
831-515 0 Santa Cruz CA SNJSCAYB0MD  722      
831-515 4 Santa Cruz CA SNJSCAYB0MD  722      
831-574 A Carmel CA SLNSCA01XQY  736      
831-574 4 Carmel CA SLNSCA01XQY  736   2013-02-01   
831-600 A Santa Cruz CA SNJSCAYB0MD  722      
831-600 0 Santa Cruz CA SNJSCAYB0MD  722      
831-600 1 Santa Cruz CA SNJSCAYB0MD  722      
831-600 2 Santa Cruz CA SNJSCAYB0MD  722      
831-600 3 Santa Cruz CA SNJSCAYB0MD  722      
831-600 4 Santa Cruz CA SNJSCAYB0MD  722      
831-600 9 Santa Cruz CA SNJSCAYB0MD  722      
831-607 3 Aptos CA SNJSCAYB0MD  722   2009-07-04   
831-627 8 San Ardo CA SLNSCA01XQY  736   2016-03-20   
831-705 A Chualar CA SLNSCA01XQY  736      
831-705 2 Chualar CA SLNSCA01XQY  736   2012-02-05   
831-707 2 Watsonville CA SNJSCAYB0MD  722   2005-12-05   
831-737 A Salinas CA SLNSCA01XQY  736      
831-737 1 Salinas CA SLNSCA01XQY  736   2006-05-19   
831-774 A Gonzales CA SLNSCA01XQY  736      
831-789 8 Salinas CA SLNSCA01XQY  736   2008-10-16   
832-223 9 Richmond-Rosenberg EMS TX HSTNTXPB6MD  560   2007-12-01   
832-224 A Apollo TX HSTNTXPB6MD  560      
832-224 0 Apollo TX HSTNTXPB6MD  560      
832-240 A Apollo TX HSTNTXPB6MD  560      
832-253 A Bammel TX HSTNTXPB6MD  560      
832-253 1 Bammel TX HSTNTXPB6MD  560      
832-253 9 Bammel TX HSTNTXPB6MD  560      
832-321 A Barker TX HSTNTXPB6MD  560      
832-321 9 Barker TX HSTNTXPB6MD  560      
832-376 A Channelview TX HSTNTXPB6MD  560      
832-376 2 Channelview TX HSTNTXPB6MD  560      
832-376 9 Channelview TX HSTNTXPB6MD  560      
832-429 A Deer Park TX HSTNTXPB6MD  560      
832-429 1 Deer Park TX HSTNTXPB6MD  560      
832-429 9 Deer Park TX HSTNTXPB6MD  560      
832-481 A Friendswood TX HSTNTXPB6MD  560      
832-481 1 Friendswood TX HSTNTXPB6MD  560      
832-529 A Langham Creek TX HSTNTXPB6MD  560      
832-529 0 Langham Creek TX HSTNTXPB6MD  560      
832-529 9 Langham Creek TX HSTNTXPB6MD  560      
832-568 A La Porte TX HSTNTXPB6MD  560      
832-568 0 La Porte TX HSTNTXPB6MD  560      
832-568 1 La Porte TX HSTNTXPB6MD  560      
832-568 9 La Porte TX HSTNTXPB6MD  560      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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