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: 933

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-933 A Orange CA LSANCAJWIMD  965H FRACTEL, LLC 730      
657-933 0 Orange CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-06-21   
657-933 1 Orange CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-26   
657-933 2 Orange CA   939H COMMIO, LLC 730   2021-08-28   
657-933 3 Orange CA   965H FRACTEL, LLC 730   2020-11-15   
657-933 4 Orange CA   649C ONVOY, LLC - CA 730   2020-11-17   
657-933 5 Orange CA   649C ONVOY, LLC - CA 730   2020-11-17   
657-933 6 Orange CA   649C ONVOY, LLC - CA 730   2020-11-17   
657-933 7 Orange CA   649C ONVOY, LLC - CA 730   2020-11-17   
657-933 8 Orange CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-26   
657-933 9 Orange CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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