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: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-723 A Nichols IA NCHLIAXORS7  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-723 0 Nichols IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-723 1 Nichols IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-723 2 Nichols IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-14   
319-723 3 Nichols IA   221F ONVOY, LLC - IA 635   2020-06-26   
319-723 4 Nichols IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
319-723 5 Nichols IA   221F ONVOY, LLC - IA 635   2021-03-14   
319-723 7 Nichols IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-13   
319-723 8 Nichols IA   221F ONVOY, LLC - IA 635   2021-04-24   
319-723 9 Nichols IA   221F ONVOY, LLC - IA 635   2021-04-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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