Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-320 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-320 1 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
510-320 4 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
510-320 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-10-27   
510-323 5 Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-24   
510-323 6 Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-24   
510-324 6 Fremont-Newark: Greenleaf DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-06-26   
510-325 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-326 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-329 A Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-331 A Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-332 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-333 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-334 A Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-335 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-11-10   
510-344 1 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-08-26   
510-355 3 Oakland: Alameda DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-12   
510-358 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-358 0 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-12-14   
510-358 1 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-12-14   
510-358 5 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-09-23   
510-358 6 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-09-23   
510-358 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-08-22   
510-361 1 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-08-29   
510-363 2 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-05-28   
510-363 4 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-07-13   
510-364 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-366 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-367 A Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-371 1 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-10-13   
510-371 2 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-10-13   
510-374 0 Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-07-06   
510-374 8 Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-07-21   
510-374 9 Richmond CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-07-06   
510-378 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-384 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-386 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-387 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-388 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-391 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-02-11   
510-391 6 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-02-11   
510-391 7 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-02-11   
510-391 8 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-02-11   
510-391 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-02-11   
510-398 3 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-12-29   
510-401 0 Fremont-Newark: Greenleaf DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-26   
510-402 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2009-10-12   
510-403 0 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-08-26   
510-409 A Oakland: Main-Piedmont DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-423 6 Oakland: Berkeley DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-10   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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