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: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-446 A Calimesa CA CLMSCAXF79G  2319 FRONTIER CALIFORNIA INC. 730      
909-446 0 Calimesa CA   2319 FRONTIER CALIFORNIA INC. 730      
909-446 1 Calimesa CA   2319 FRONTIER CALIFORNIA INC. 730      
909-446 2 Calimesa CA   6529 T-MOBILE USA, INC. 730   2003-06-07   
909-446 3 Calimesa CA   515J IP HORIZON LLC 730   2004-11-13   
909-446 4 Calimesa CA   515J IP HORIZON LLC 730   2004-11-13   
909-446 5 Calimesa CA   6529 T-MOBILE USA, INC. 730   2005-09-01   
909-446 6 Calimesa CA   6529 T-MOBILE USA, INC. 730   2006-02-10   
909-446 7 Calimesa CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-04-01   
909-446 8 Calimesa CA   2319 FRONTIER CALIFORNIA INC. 730      
909-446 9 Calimesa CA   6529 T-MOBILE USA, INC. 730   2010-04-05   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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