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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-637 A Fontana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-637 0 Fontana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-11-10   
909-637 1 Fontana CA   899D METROPCS NETWORKS, LLC 730   2016-03-29   
909-637 2 Fontana CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-22   
909-637 3 Fontana CA   649C ONVOY, LLC - CA 730   2014-11-18   
909-637 4 Fontana CA   649C ONVOY, LLC - CA 730   2014-11-18   
909-637 5 Fontana CA   899D METROPCS NETWORKS, LLC 730   2015-01-11   
909-637 6 Fontana CA   6529 T-MOBILE USA, INC. 730   2015-02-28   
909-637 7 Fontana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-09-28   
909-637 8 Fontana CA   899D METROPCS NETWORKS, LLC 730   2014-12-13   
909-637 9 Fontana CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-11-11   

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

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