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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-328 A Santa Ana CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-328 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 2 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 3 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 4 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 5 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 6 Santa Ana CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2016-07-11   
657-328 7 Santa Ana CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2016-07-12   
657-328 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-07-12   
657-328 9 Santa Ana CA IRVECAJTRS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2016-07-12   

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

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