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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-601 A Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 0 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 1 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 2 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2015-03-21   
510-601 3 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 4 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 5 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 6 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 7 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 8 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      
510-601 9 Oakland: Main-Piedmont DA CA OKLDCA11DS0  9740 PACIFIC BELL 722      

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

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