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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-566 A Fullerton CA LSANCAJWIMD  965H FRACTEL, LLC 730      
657-566 0 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-04-15   
657-566 1 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-05-17   
657-566 2 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-06-21   
657-566 3 Fullerton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-07-26   
657-566 4 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
657-566 5 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
657-566 6 Fullerton CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-03-27   
657-566 7 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
657-566 8 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
657-566 9 Fullerton CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-22   

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

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