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.

Switch: SKTNCA01XHZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-290 A Stockton CA 197D VONAGE AMERICA LLC 738      
209-290 0 Stockton CA 197D VONAGE AMERICA LLC 738   2017-10-28   
209-488 0 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 1 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 2 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 3 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 5 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 6 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 7 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-488 8 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-672 3 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   
209-672 4 Modesto CA 197D VONAGE AMERICA LLC 738   2018-12-07   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.