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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-434 A Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 0 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 1 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 2 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 3 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 4 Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-04-06   
510-434 5 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 6 Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-04-12   
510-434 7 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 8 Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2019-10-07   
510-434 9 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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