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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-688 A Fontana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
909-688 0 Fontana CA   899D METROPCS NETWORKS, LLC 730   2016-11-29   
909-688 1 Fontana CA   899D METROPCS NETWORKS, LLC 730   2016-11-29   
909-688 2 Fontana CA   516C AT&T CORP. 730   2017-01-05   
909-688 3 Fontana CA   899D METROPCS NETWORKS, LLC 730   2017-01-12   
909-688 4 Fontana CA   899D METROPCS NETWORKS, LLC 730   2017-01-29   
909-688 5 Fontana CA   6529 T-MOBILE USA, INC. 730   2017-02-05   
909-688 6 Fontana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-03-15   
909-688 7 Fontana CA   6529 T-MOBILE USA, INC. 730   2016-12-23   
909-688 8 Fontana CA   6529 T-MOBILE USA, INC. 730   2016-11-28   
909-688 9 Fontana CA   6529 T-MOBILE USA, INC. 730   2016-11-28   

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

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