Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 852

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-852 A Etiwanda CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-852 0 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-852 1 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-852 2 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-852 3 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-07-30   
909-852 4 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-08-18   
909-852 5 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-08-18   
909-852 6 Etiwanda CA   649C ONVOY, LLC - CA 730   2021-08-18   
909-852 7 Etiwanda CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-02   
909-852 8 Etiwanda CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-02-15   
909-852 9 Etiwanda CA   6529 T-MOBILE USA, INC. 730   2020-11-28   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.