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
510-401 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   
510-431 0 Fremont-Newark: Greenleaf DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-26   
510-431 4 Fremont-Newark: Greenleaf DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-26   
510-440 7 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-445 3 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-445 8 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-19   
510-474 2 Fremont-Newark: Greenleaf DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-09   
510-474 8 Fremont-Newark: Greenleaf DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-09   
510-492 6 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-19   
510-493 4 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-09-23   
510-498 5 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-498 6 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-514 3 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-11-11   
510-571 A Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-571 6 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-12-16   
510-571 9 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-10-14   
510-586 8 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-09-02   
510-591 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-04-12   
510-591 7 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-04-12   
510-591 8 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-04-12   
510-591 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-04-12   
510-605 0 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-10-31   
510-634 2 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-20   
510-634 3 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-20   
510-634 4 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-20   
510-634 6 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-11   
510-634 8 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-11   
510-634 9 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-11   
510-661 2 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-12-11   
510-668 9 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-19   
510-690 7 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-09-02   
510-714 1 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-22   
510-731 4 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-09-02   
510-731 7 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-24   
510-731 8 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-24   
510-737 A Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-737 8 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-28   
510-737 9 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-28   
510-738 7 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-12-13   
510-738 8 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-05-16   
510-738 9 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-01-22   
510-739 4 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-22   
510-751 7 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-04-18   
510-766 3 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-20   
510-766 4 Fremont-Newark: Main DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-08-20   
510-770 7 Fremont-Newark: Oliver DA CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-12-17   
510-786 7 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-10   
510-786 8 Hayward CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-10   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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