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
925-502 6 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-02-06   
925-502 7 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-02-06   
925-502 9 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-04   
925-504 A Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-504 3 Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-09-09   
925-504 5 Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-07-27   
925-504 7 Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-08-24   
925-504 8 Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-07-16   
925-504 9 Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-01-30   
925-505 3 Livermore CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-11-30   
925-508 8 East Contra Costa CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-01-01   
925-508 9 East Contra Costa CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-07-16   
925-514 A Martinez CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-514 9 Martinez CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-11-27   
925-517 5 Pittsburg West CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-06-27   
925-520 5 Pleasanton CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-05-06   
925-522 1 Antioch CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-12-09   
925-523 1 Pleasanton CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-11-20   
925-523 8 Pleasanton CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-27   
925-523 9 Pleasanton CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-12-20   
925-528 1 Orinda CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-06-01   
925-529 0 Antioch CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-04-07   
925-529 5 Antioch CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-07-25   
925-531 9 Lafayette CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-26   
925-533 9 Livermore CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-11-30   
925-539 8 Antioch CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-09-15   
925-540 A Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
925-540 8 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
925-540 9 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
925-542 8 Walnut Creek CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-07-20   
925-548 A Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-549 A Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-549 0 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-549 1 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-549 2 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-10-27   
925-549 4 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-12-20   
925-549 5 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-12-20   
925-549 6 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-549 7 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-09-15   
925-549 8 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-09-15   
925-549 9 Dublin-San Ramon CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-07-11   
925-550 A Antioch CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-553 6 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-04-03   
925-553 9 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-26   
925-566 4 Concord CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-12-09   
925-575 2 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-11-22   
925-575 3 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-11-22   
925-575 5 Danville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-11-22   
925-579 4 Livermore CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-08-07   
925-583 4 Livermore CA 6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-31   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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