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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-392 A Dos Palos CA DSPLCAXFDS0  4420 FRONTIER CALIFORNIA INC. 728      
209-392 0 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-392 1 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-392 2 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-392 3 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-392 4 Dos Palos CA   073H TELNYX LLC 728   2021-07-18   
209-392 5 Dos Palos CA   649C ONVOY, LLC - CA 728   2018-02-12   
209-392 6 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-392 7 Dos Palos CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2020-12-07   
209-392 8 Dos Palos CA   4420 FRONTIER CALIFORNIA INC. 728      
209-392 9 Dos Palos CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2016-03-05   

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

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