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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-678 A Ontario CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-678 0 Ontario CA   899D METROPCS NETWORKS, LLC 730   2015-02-13   
909-678 1 Ontario CA   899D METROPCS NETWORKS, LLC 730   2015-02-16   
909-678 2 Ontario CA   899D METROPCS NETWORKS, LLC 730   2015-02-16   
909-678 3 Ontario CA   899D METROPCS NETWORKS, LLC 730   2015-03-16   
909-678 4 Ontario CA   899D METROPCS NETWORKS, LLC 730   2015-03-16   
909-678 5 Ontario CA   6529 T-MOBILE USA, INC. 730   2015-04-13   
909-678 6 Ontario CA   6529 T-MOBILE USA, INC. 730   2015-04-13   
909-678 7 Ontario CA   6529 T-MOBILE USA, INC. 730   2015-03-20   
909-678 8 Ontario CA   6529 T-MOBILE USA, INC. 730   2015-02-16   
909-678 9 Ontario CA   899D METROPCS NETWORKS, LLC 730   2015-02-13   

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

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