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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-439 A Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 0 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 1 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 2 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 3 Richmond CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2003-02-28   
510-439 4 Richmond CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2001-07-30   
510-439 5 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2003-01-08   
510-439 6 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-03-23   
510-439 7 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-03-23   
510-439 8 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-03-23   
510-439 9 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-09   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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