Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Olds, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-254 A OLDSIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-254 1 OLDSIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-254 2 OLDSIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-254 3 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-05-10   
319-254 4 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-254 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
319-254 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-10-30   
319-254 7 DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-254 8 OLDSIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-254 9 CDRRIADTHMD  624H ONVOY SPECTRUM, LLC 634   2024-12-19   
319-549 A OLDSIA020MD  198H FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA 634      
319-549 1 OLDSIA020MD  198H FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA 634   2015-01-09   
319-549 2 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-12-24   
319-549 8 MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2021-12-01   
319-549 9 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-08-28   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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