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: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-457 A Ione CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-457 0 Ione CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2015-06-06   
209-457 1 Ione CA   073H TELNYX LLC 738   2021-07-18   
209-457 2 Ione CA   649C ONVOY, LLC - CA 738   2021-08-08   
209-457 3 Ione CA   649C ONVOY, LLC - CA 738   2021-08-08   
209-457 4 Ione CA   7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 738   2016-05-18   
209-457 5 Ione CA   649C ONVOY, LLC - CA 738   2019-03-07   
209-457 6 Ione CA   649C ONVOY, LLC - CA 738   2021-10-03   
209-457 7 Ione CA   649C ONVOY, LLC - CA 738   2019-03-07   
209-457 8 Ione CA   649C ONVOY, LLC - CA 738   2021-10-03   
209-457 9 Ione CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2015-10-31   

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

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