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: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-537 A Silverado CA IRVECA62GT3  6529 T-MOBILE USA, INC. 730      
657-537 0 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 1 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 2 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 4 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 5 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 6 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-12   
657-537 8 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-03-04   
657-537 9 Silverado CA IRVECA62GT3  6529 T-MOBILE USA, INC. 730   2022-02-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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