Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

NXX: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-209 A Valley Springs CA SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738      
350-209 0 Valley Springs CA   939H COMMIO, LLC 738   2023-08-19   
350-209 1 Valley Springs CA   939H COMMIO, LLC 738   2023-08-19   
350-209 2 Valley Springs CA   939H COMMIO, LLC 738   2023-08-19   
350-209 3 Valley Springs CA   939H COMMIO, LLC 738   2023-08-19   
350-209 4 Valley Springs CA   073H TELNYX LLC 738   2023-11-09   
350-209 5 Valley Springs CA   649C ONVOY, LLC - CA 738   2024-07-27   
350-209 6 Valley Springs CA   624H ONVOY SPECTRUM, LLC 738   2023-12-15   
350-209 8 Valley Springs CA   939H COMMIO, LLC 738   2023-08-29   
350-209 9 Valley Springs CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2023-06-22   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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