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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-373 A Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-373 0 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-10   
657-373 1 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-10   
657-373 2 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-10   
657-373 3 Placentia CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-10   
657-373 4 Placentia CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2020-06-15   
657-373 6 Placentia CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-05-14   
657-373 7 Placentia CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-09-23   
657-373 8 Placentia CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-09-23   
657-373 9 Placentia CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2019-07-18   

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

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