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.

Coulterville, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
209-878 7 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-878 8 SKTNCACZ3MD  073H TELNYX LLC 738   2018-05-10   
209-878 9 SKTNCACZ7MD  145J TERRA NOVA TELECOM INC. 738   2022-10-31   

<< 1 2

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.