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: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-578 A East Contra Costa CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-578 0 East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2021-07-11   
925-578 1 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-578 2 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-578 3 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-578 4 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-578 5 East Contra Costa CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-07-24   
925-578 6 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-578 7 East Contra Costa CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2021-01-02   
925-578 8 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-578 9 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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