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: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-850 A Ontario CA ONTRCAXPXLY  622J SKYE TELECOM LLC DBA SKYETEL 730      
909-850 0 Ontario CA   899D METROPCS NETWORKS, LLC 730   2020-11-14   
909-850 1 Ontario CA   6529 T-MOBILE USA, INC. 730   2021-03-22   
909-850 2 Ontario CA   6529 T-MOBILE USA, INC. 730   2021-03-22   
909-850 3 Ontario CA   073H TELNYX LLC 730   2021-10-16   
909-850 4 Ontario CA   649C ONVOY, LLC - CA 730   2020-11-16   
909-850 5 Ontario CA   649C ONVOY, LLC - CA 730   2020-11-16   
909-850 6 Ontario CA   622J SKYE TELECOM LLC DBA SKYETEL 730   2021-11-05   
909-850 7 Ontario CA   6529 T-MOBILE USA, INC. 730   2020-11-20   
909-850 8 Ontario CA   6529 T-MOBILE USA, INC. 730   2020-11-20   
909-850 9 Ontario CA   899D METROPCS NETWORKS, LLC 730   2020-11-14   

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

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