Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-542 A Hughson CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-542 0 Hughson CA   6529 T-MOBILE USA, INC. 738      
209-542 1 Hughson CA   649C ONVOY, LLC - CA 738   2012-12-31   
209-542 2 Hughson CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2010-03-04   
209-542 3 Hughson CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2014-06-17   
209-542 4 Hughson CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-542 5 Hughson CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2014-12-12   
209-542 6 Hughson CA   6529 T-MOBILE USA, INC. 738   2022-04-12   
209-542 7 Hughson CA   516C AT&T CORP. 738   2008-08-25   
209-542 8 Hughson CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2010-10-24   
209-542 9 Hughson CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2011-06-23   

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

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