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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-296 A Garden Grove CA   6529 T-MOBILE USA, INC. 730      
657-296 0 Garden Grove CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-02-06   
657-296 1 Garden Grove CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-02-06   
657-296 2 Garden Grove CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-02-06   
657-296 3 Garden Grove CA   649C ONVOY, LLC - CA 730   2016-02-24   
657-296 4 Garden Grove CA   649C ONVOY, LLC - CA 730   2016-02-24   
657-296 5 Garden Grove CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-07-03   
657-296 6 Garden Grove CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-03-18   
657-296 7 Garden Grove CA   6529 T-MOBILE USA, INC. 730   2016-01-22   
657-296 8 Garden Grove CA   6529 T-MOBILE USA, INC. 730   2016-01-22   
657-296 9 Garden Grove CA   6529 T-MOBILE USA, INC. 730   2016-01-22   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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