Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 978

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-978 A Antioch CA ANTCCA11DS0  9740 PACIFIC BELL 722      
925-978 0 Antioch CA   9740 PACIFIC BELL 722      
925-978 1 Antioch CA   9740 PACIFIC BELL 722      
925-978 2 Antioch CA   9740 PACIFIC BELL 722      
925-978 3 Antioch CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-01-24   
925-978 4 Antioch CA   516C AT&T CORP. 722   2006-07-07   
925-978 5 Antioch CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-12-21   
925-978 6 Antioch CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-02-05   
925-978 7 Antioch CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-02-05   
925-978 8 Antioch CA   6529 T-MOBILE USA, INC. 722   2023-02-18   
925-978 9 Antioch CA   318J COMCAST IP PHONE, LLC 722   2007-04-19   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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