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: 945

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-945 A Upland CA CCMNCAXF98K  2319 FRONTIER CALIFORNIA INC. 730      
909-945 0 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 1 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 2 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 3 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 4 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 5 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 6 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      
909-945 7 Upland CA   6529 T-MOBILE USA, INC. 730   2006-08-01   
909-945 8 Upland CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2001-02-15   
909-945 9 Upland CA   2319 FRONTIER CALIFORNIA INC. 730      

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

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