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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-257 A Winfield IA WNFDIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-257 0 Winfield IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-11-17   
319-257 1 Winfield IA WNFDIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-257 2 Winfield IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
319-257 3 Winfield IA WNFDIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-257 4 Winfield IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-05-10   
319-257 5 Winfield IA DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
319-257 6 Winfield IA WNFDIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-257 7 Winfield IA WNFDIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-257 8 Winfield IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-257 9 Winfield IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-10-04   

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

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