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.

Richland, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-456 A RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 0 RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 1 RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 2 RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 3 RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 4 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
319-456 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-456 6 RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 7 DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS LLC 634   2016-10-07   
319-456 8 RCLDIAXORS1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-456 9 RCLDIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-566 A   516J TON80 COMMUNICATIONS LLC 634   2022-05-14   
319-566 6   516J TON80 COMMUNICATIONS LLC 634   2022-05-14   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.