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.

Thurman, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-628 A THRMIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-628 1 THRMIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-628 2 THRMIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-628 3 THRMIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-628 4 THRMIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-628 5 OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-04-02   
712-628 6 OMAHNENWXPX  221F ONVOY, LLC - IA 644   2019-12-01   
712-628 7 OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-04-02   
712-628 9 THRMIAXPRP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.