Local Calling Guide

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

NXX: 296

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-296 A Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-296 0 Garden Grove CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-02-06   
657-296 1 Garden Grove CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-02-06   
657-296 2 Garden Grove CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-02-06   
657-296 3 Garden Grove CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-296 4 Garden Grove CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-296 5 Garden Grove CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-07-03   
657-296 6 Garden Grove CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-03-18   
657-296 7 Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-22   
657-296 8 Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-22   
657-296 9 Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-01-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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