Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-258 A Hayward CA SNLNCA11DS0  9740 PACIFIC BELL 722      
510-258 0 Hayward CA SNLNCA11DS0  9740 PACIFIC BELL 722      
510-258 1 Hayward CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-02-03   
510-258 2 Hayward CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-02-03   
510-258 3 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2004-05-14   
510-258 4 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2003-04-08   
510-258 5 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2003-04-08   
510-258 6 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2003-04-08   
510-258 7 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2003-04-08   
510-258 8 Hayward CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-11-02   
510-258 9 Hayward CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2005-08-20   

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

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