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.

Switch: LTTSIAXORS7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-726 A Letts IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 1 Letts IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 3 Letts IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 4 Letts IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.