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: 961

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-961 A Rialto CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-961 0 Rialto CA   993B CURATEL, LLC - CA 730   2010-03-10   
909-961 1 Rialto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-02-13   
909-961 2 Rialto CA   516C AT&T CORP. 730   2006-06-30   
909-961 3 Rialto CA   899D METROPCS NETWORKS, LLC 730   2008-08-10   
909-961 4 Rialto CA   6529 T-MOBILE USA, INC. 730   2007-02-08   
909-961 5 Rialto CA   6529 T-MOBILE USA, INC. 730   2006-12-23   
909-961 6 Rialto CA   899D METROPCS NETWORKS, LLC 730   2011-03-13   
909-961 7 Rialto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-04-04   
909-961 8 Rialto CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-04   
909-961 9 Rialto CA   6529 T-MOBILE USA, INC. 730   2006-02-06   

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

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