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: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 414

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-414 A Stockton CA SKTNCA0110Z  425J CSC WIRELESS, LLC 738      
209-414 0 Stockton CA   6529 T-MOBILE USA, INC. 738   2020-06-21   
209-414 1 Stockton CA   649C ONVOY, LLC - CA 738   2020-04-13   
209-414 2 Stockton CA   425J CSC WIRELESS, LLC 738   2020-04-10   
209-414 3 Stockton CA   649C ONVOY, LLC - CA 738   2020-04-13   
209-414 4 Stockton CA   649C ONVOY, LLC - CA 738   2020-04-13   
209-414 5 Stockton CA   649C ONVOY, LLC - CA 738   2020-05-18   
209-414 6 Stockton CA   649C ONVOY, LLC - CA 738   2020-05-18   
209-414 7 Stockton CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-05-16   
209-414 8 Stockton CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-05-16   
209-414 9 Stockton CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2020-05-16   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.