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: 263

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-263 A Oakland: Alameda DA CA ALMDCA11DS0  9740 PACIFIC BELL 722      
510-263 0 Oakland: Alameda DA CA ALMDCA11DS0  9740 PACIFIC BELL 722      
510-263 1 Oakland: Alameda DA CA ALMDCA11DS0  9740 PACIFIC BELL 722      
510-263 2 Oakland: Alameda DA CA ALMDCA11DS0  9740 PACIFIC BELL 722      
510-263 3 Oakland: Alameda DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
510-263 4 Oakland: Alameda DA CA ALMDCA11DS0  9740 PACIFIC BELL 722      
510-263 5 Oakland: Alameda DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
510-263 6 Oakland: Alameda DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
510-263 7 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-07-29   
510-263 8 Oakland: Alameda DA CA SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
510-263 9 Oakland: Alameda DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2010-04-29   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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