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: 396

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-396 A Sonora: Main DA CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-396 0 Sonora: Main DA CA   6529 T-MOBILE USA, INC. 738   2018-11-17   
209-396 1 Sonora: Main DA CA   318J COMCAST IP PHONE, LLC 738   2018-01-22   
209-396 2 Sonora: Main DA CA   649C ONVOY, LLC - CA 738      
209-396 3 Sonora: Main DA CA   649C ONVOY, LLC - CA 738      
209-396 4 Sonora: Main DA CA   649C ONVOY, LLC - CA 738      
209-396 5 Sonora: Main DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 738   2014-01-10   
209-396 6 Sonora: Main DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-396 7 Sonora: Main DA CA   649C ONVOY, LLC - CA 738      
209-396 8 Sonora: Main DA CA   649C ONVOY, LLC - CA 738      
209-396 9 Sonora: Main DA CA   649C ONVOY, LLC - CA 738      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.