Local Calling Guide

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

NXX: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-478 A Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-478 0 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-03   
657-478 1 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-03   
657-478 2 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-05-07   
657-478 3 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
657-478 4 Brea CA LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
657-478 5 Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-11-23   
657-478 6 Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-01-13   
657-478 7 Brea CA LSANCAJW6MD  073H TELNYX LLC 730   2018-07-09   
657-478 8 Brea CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2017-11-24   
657-478 9 Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-08-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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