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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-504 A Calimesa CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-504 0 Calimesa CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-504 1 Calimesa CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-504 2 Calimesa CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-504 3 Calimesa CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-504 5 Calimesa CA   6529 T-MOBILE USA, INC. 730   2021-09-19   
909-504 6 Calimesa CA   6529 T-MOBILE USA, INC. 730   2021-09-19   
909-504 7 Calimesa CA   6529 T-MOBILE USA, INC. 730   2021-07-22   
909-504 8 Calimesa CA   6529 T-MOBILE USA, INC. 730   2021-07-22   
909-504 9 Calimesa CA   6529 T-MOBILE USA, INC. 730   2021-07-22   

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

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