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: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-387 A Dos Palos CA SNGRCAXFPS1  4420 FRONTIER CALIFORNIA INC. 728      
209-387 0 Dos Palos CA   649C ONVOY, LLC - CA 728   2020-05-04   
209-387 1 Dos Palos CA   649C ONVOY, LLC - CA 728   2021-03-04   
209-387 2 Dos Palos CA   649C ONVOY, LLC - CA 728   2020-05-04   
209-387 3 Dos Palos CA   649C ONVOY, LLC - CA 728   2019-03-16   
209-387 4 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-387 5 Dos Palos CA   649C ONVOY, LLC - CA 728   2019-03-16   
209-387 6 Dos Palos CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2014-12-18   
209-387 7 Dos Palos CA   508J CENTURYLINK COMMUNICATIONS, LLC 728   2014-12-16   
209-387 8 Dos Palos CA   649C ONVOY, LLC - CA 728   2019-09-08   
209-387 9 Dos Palos CA   649C ONVOY, LLC - CA 728   2021-03-04   

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

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