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.

Letts, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-726 A LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 1 LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 2 DVNPIADTGMD  221F ONVOY, LLC - IA 634      
319-726 3 LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 4 LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 5 LTTSIAXORP1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 6 DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634      
319-726 7 LTTSIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 8 DVNPIADTGMD  221F ONVOY, LLC - IA 634      
319-726 9   624H ONVOY SPECTRUM, LLC 634      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.