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.

OCN: 5840 GUTHRIE TELECOMMUNICATIONS NETWORK, INC. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
641-332 A Guthrie Center IA GTCTIAXG1MD  632      
641-332 2 Guthrie Center IA GTCTIAXG1MD  632   2001-12-21   
641-332 3 Guthrie Center IA GTCTIAXG1MD  632   2003-02-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.