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: 282

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-282 A Orange CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
657-282 0 Orange CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-12-22   
657-282 1 Orange CA   6529 T-MOBILE USA, INC. 730   2015-01-28   
657-282 2 Orange CA   6529 T-MOBILE USA, INC. 730   2015-01-28   
657-282 3 Orange CA   649C ONVOY, LLC - CA 730   2015-01-05   
657-282 4 Orange CA   649C ONVOY, LLC - CA 730   2015-01-05   
657-282 5 Orange CA   649C ONVOY, LLC - CA 730   2015-01-05   
657-282 6 Orange CA   829J PAETEC ITEL, LLC 730   2015-01-02   
657-282 7 Orange CA   6529 T-MOBILE USA, INC. 730   2019-07-12   
657-282 8 Orange CA   6529 T-MOBILE USA, INC. 730   2018-12-30   
657-282 9 Orange CA   6529 T-MOBILE USA, INC. 730   2015-03-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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