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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-203 A Atwater CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-203 0 Atwater CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2016-07-15   
209-203 1 Atwater CA   073H TELNYX LLC 738   2017-03-27   
209-203 2 Atwater CA   6529 T-MOBILE USA, INC. 738   2016-11-18   
209-203 3 Atwater CA   6529 T-MOBILE USA, INC. 738   2016-11-18   
209-203 4 Atwater CA   6529 T-MOBILE USA, INC. 738   2017-05-21   
209-203 5 Atwater CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2019-09-01   
209-203 6 Atwater CA   6529 T-MOBILE USA, INC. 738   2016-12-23   
209-203 7 Atwater CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2016-01-25   
209-203 8 Atwater CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2016-01-25   
209-203 9 Atwater CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2016-01-25   

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

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