Local Calling Guide

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Walker, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-448 A WLKRIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 0   985E BANDWIDTH.COM CLEC, LLC - IA 635   2008-11-29   
319-448 1   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 2   221F ONVOY, LLC - IA 635   2021-03-14   
319-448 3   221F ONVOY, LLC - IA 635   2020-06-26   
319-448 4   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 5   221F ONVOY, LLC - IA 635   2021-04-24   
319-448 6   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-16   
319-448 7   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 8   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-14   
319-448 9   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-712 A CDRRIADTKMD  221F ONVOY, LLC - IA 635   2024-08-06   
319-712 0   444G AUREON COMMUNICATIONS, LLC 635   2024-10-14   
319-712 7   221F ONVOY, LLC - IA 635   2024-08-06   

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

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