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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-621 A Hughson CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-621 0 Hughson CA   649C ONVOY, LLC - CA 738   2021-07-11   
209-621 1 Hughson CA   073H TELNYX LLC 738   2017-03-27   
209-621 2 Hughson CA   649C ONVOY, LLC - CA 738   2019-03-07   
209-621 3 Hughson CA   649C ONVOY, LLC - CA 738   2021-07-11   
209-621 4 Hughson CA   6529 T-MOBILE USA, INC. 738   2021-03-25   
209-621 5 Hughson CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2021-02-15   
209-621 6 Hughson CA   649C ONVOY, LLC - CA 738   2019-03-07   
209-621 7 Hughson CA   6529 T-MOBILE USA, INC. 738   2020-08-22   
209-621 8 Hughson CA   6529 T-MOBILE USA, INC. 738   2020-08-22   
209-621 9 Hughson CA   6529 T-MOBILE USA, INC. 738   2017-01-19   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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