Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-288 A Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-288 0 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 1 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 2 Westminster CA   649C ONVOY, LLC - CA 730   2016-01-29   
657-288 3 Westminster CA   649C ONVOY, LLC - CA 730   2016-01-29   
657-288 4 Westminster CA   649C ONVOY, LLC - CA 730   2016-02-26   
657-288 5 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 6 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 7 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-28   
657-288 8 Westminster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-09-13   
657-288 9 Westminster CA   4129 O1 COMMUNICATIONS, INC. - CA 730   2016-02-28   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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