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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-677 A Sonora: Juno DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-677 0 Sonora: Juno DA CA SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-05-04   
209-677 1 Sonora: Juno DA CA   515J IP HORIZON LLC 738      
209-677 2 Sonora: Juno DA CA   515J IP HORIZON LLC 738      
209-677 3 Sonora: Juno DA CA SKTNCA01XPZ  394L COMCAST PHONE OF CALIFORNIA, LLC 738   2012-01-12   
209-677 4 Sonora: Juno DA CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2020-02-28   
209-677 5 Sonora: Juno DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-677 6 Sonora: Juno DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-677 7 Sonora: Juno DA CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-677 8 Sonora: Juno DA CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-23   
209-677 9 Sonora: Juno DA CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2015-07-16   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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