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.

Modale, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-645 A MODLIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-645 1   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-645 2   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-645 3   221F ONVOY, LLC - IA 644   2021-10-30   
712-645 6   221F ONVOY, LLC - IA 644   2021-05-21   
712-645 9   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.