Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-726 A LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 1 LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 2 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
319-726 3 LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 4 LTTSIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 5 LTTSIAXORP1  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 6 DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-726 7 LTTSIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-726 8 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
319-726 9 DLTHMNMEXJX  624H ONVOY SPECTRUM, LLC 634   2024-12-19   

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

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