Local Calling Guide

Area code/prefix search

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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-579 A Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 0 Orange CA LSANCAJWRMD  026K BARR TELL USA, LLC 730      
657-579 1 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 2 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 3 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 4 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 5 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 6 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 7 Orange CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
657-579 8 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-579 9 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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