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: 897

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-897 A Orange CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-897 0 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-05-09   
657-897 1 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-05-09   
657-897 2 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-09   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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