Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-639 A Colton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-01-23   
909-639 0 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-03-23   
909-639 1 Colton CA   649C ONVOY, LLC - CA 730   2016-01-06   
909-639 2 Colton CA   649C ONVOY, LLC - CA 730   2016-01-06   
909-639 3 Colton CA   649C ONVOY, LLC - CA 730   2016-04-23   
909-639 4 Colton CA   649C ONVOY, LLC - CA 730   2016-04-23   
909-639 5 Colton CA   649C ONVOY, LLC - CA 730   2016-03-04   
909-639 6 Colton CA   649C ONVOY, LLC - CA 730   2016-03-04   
909-639 7 Colton CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-10   
909-639 8 Colton CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-08-20   
909-639 9 Colton CA   6529 T-MOBILE USA, INC. 730   2016-11-04   

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

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