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-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
641-227 A Baxter IA STCTIAXODS1  632      
641-482 A Melbourne IA STCTIAXODS1  632      
641-483 A State Center IA STCTIAXODS1  632      
641-493 A Rhodes IA STCTIAXODS1  632      
641-498 A Gilman IA GLMNIAXODS1  632      
641-502 A Melbourne IA GLMNIAXODS1  632   2006-06-30   
641-507 A Baxter IA GLMNIAXODS1  632   2006-06-30   
641-526 A Kellogg IA GLMNIAXODS1  632      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.