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: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-402 A Marshall CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2024-01-23   
909-402 0 Marshall CA   649C ONVOY, LLC - CA 730   2016-04-11   
909-402 1 Marshall CA   649C ONVOY, LLC - CA 730   2016-04-11   
909-402 2 Marshall CA   649C ONVOY, LLC - CA 730   2016-05-20   
909-402 3 Marshall CA   649C ONVOY, LLC - CA 730   2016-05-20   
909-402 4 Marshall CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-23   
909-402 5 Marshall CA   6529 T-MOBILE USA, INC. 730   2016-07-23   
909-402 6 Marshall CA   6529 T-MOBILE USA, INC. 730   2016-07-23   
909-402 7 Marshall CA   6529 T-MOBILE USA, INC. 730   2016-07-23   
909-402 8 Marshall CA   6529 T-MOBILE USA, INC. 730   2016-05-21   
909-402 9 Marshall CA   6529 T-MOBILE USA, INC. 730   2016-05-21   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.