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
657-316 A Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-316 0 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 1 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 2 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 3 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 4 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 5 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 6 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 7 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 8 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   
657-316 9 Silverado CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-05-26   

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

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