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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-436 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-436 0 Antioch CA   6529 T-MOBILE USA, INC. 722   2016-12-03   
925-436 1 Antioch CA   649C ONVOY, LLC - CA 722   2018-02-04   
925-436 2 Antioch CA   6529 T-MOBILE USA, INC. 722   2018-12-21   
925-436 3 Antioch CA   318J COMCAST IP PHONE, LLC 722   2018-10-23   
925-436 4 Antioch CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2018-05-03   
925-436 5 Antioch CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2017-03-16   
925-436 6 Antioch CA   6529 T-MOBILE USA, INC. 722   2016-11-06   
925-436 7 Antioch CA   6529 T-MOBILE USA, INC. 722   2016-11-06   
925-436 8 Antioch CA   6529 T-MOBILE USA, INC. 722   2016-10-27   
925-436 9 Antioch CA   6529 T-MOBILE USA, INC. 722   2016-10-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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