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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-285 A Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 0 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 1 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 2 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 3 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 4 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 5 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-285 6 Oakland: Main-Piedmont DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2011-09-23   
510-285 7 Oakland: Main-Piedmont DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-03-03   
510-285 8 Oakland: Main-Piedmont DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-14   
510-285 9 Oakland: Main-Piedmont DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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