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: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-589 A Crestline CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-589 0 Crestline CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-03-01   
909-589 1 Crestline CA   649C ONVOY, LLC - CA 730   2013-03-29   
909-589 2 Crestline CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2010-04-23   
909-589 4 Crestline CA   6529 T-MOBILE USA, INC. 730   2002-12-22   
909-589 5 Crestline CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-13   
909-589 6 Crestline CA   649C ONVOY, LLC - CA 730   2008-06-01   
909-589 7 Crestline CA   515J IP HORIZON LLC 730   2004-11-13   
909-589 8 Crestline CA   515J IP HORIZON LLC 730   2004-11-13   
909-589 9 Crestline CA   6529 T-MOBILE USA, INC. 730   2006-08-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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