Local Calling Guide

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

NXX: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-254 A Oakland: Alameda DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-254 0 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-254 1 Oakland: Alameda DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-07-23   
510-254 2 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-254 3 Oakland: Alameda DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
510-254 4 Oakland: Alameda DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-23   
510-254 5 Oakland: Alameda DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-11-12   
510-254 6 Oakland: Alameda DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-04-15   
510-254 7 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-254 8 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   
510-254 9 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-05-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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