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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-297 A Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-297 0 Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-03   
657-297 1 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-31   
657-297 2 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-31   
657-297 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-03-31   
657-297 4 Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-11   
657-297 5 Silverado CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-18   
657-297 6 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-04-28   
657-297 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-04-28   
657-297 8 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-04-08   
657-297 9 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-09   

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

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