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.

Brandon, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-474 A BRNDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-474 0   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-474 1   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-474 2   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-474 3   221F ONVOY, LLC - IA 635   2020-12-07   
319-474 4   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2015-06-14   
319-474 5   221F ONVOY, LLC - IA 635   2020-06-26   
319-474 6   221F ONVOY, LLC - IA 635   2020-12-07   
319-474 7   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-09   
319-474 8   221F ONVOY, LLC - IA 635   2021-03-14   
319-474 9   221F ONVOY, LLC - IA 635   2021-04-24   
319-746 A IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635      
319-746 7   516J TON80 COMMUNICATIONS, LLC 635   2022-04-19   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.