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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-439 A Anaheim CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
657-439 0 Anaheim CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-09-09   
657-439 1 Anaheim CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-07-26   
657-439 2 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-08   
657-439 3 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-13   
657-439 4 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-13   
657-439 5 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-13   
657-439 6 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-13   
657-439 7 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-13   
657-439 8 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-08   
657-439 9 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-08   

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

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