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: 726

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

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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