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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-318 A Oakdale CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-318 0 Oakdale CA   073H TELNYX LLC 738   2017-04-17   
209-318 1 Oakdale CA   649C ONVOY, LLC - CA 738   2017-09-10   
209-318 2 Oakdale CA   649C ONVOY, LLC - CA 738   2021-07-12   
209-318 3 Oakdale CA   649C ONVOY, LLC - CA 738   2019-03-08   
209-318 4 Oakdale CA   649C ONVOY, LLC - CA 738   2021-07-12   
209-318 5 Oakdale CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2021-04-18   
209-318 6 Oakdale CA   6529 T-MOBILE USA, INC. 738   2020-11-13   
209-318 7 Oakdale CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2019-12-25   
209-318 8 Oakdale CA   7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 738   2018-05-15   
209-318 9 Oakdale CA   6529 T-MOBILE USA, INC. 738   2017-04-16   

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

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