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: 975

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-975 A Herald CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-975 1 Herald CA   145J TERRA NOVA TELECOM INC. 738   2023-06-24   
209-975 2 Herald CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2024-12-13   
209-975 3 Herald CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2022-04-02   
209-975 4 Herald CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2021-11-29   
209-975 5 Herald CA   649C ONVOY, LLC - CA 738   2019-03-08   
209-975 6 Herald CA   649C ONVOY, LLC - CA 738   2019-03-08   
209-975 7 Herald CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-975 8 Herald CA   073H TELNYX LLC 738   2018-05-10   
209-975 9 Herald CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2015-10-31   

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

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