Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 456

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

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

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