Local Calling Guide

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Swaledale, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-401 A DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-401 1   221F ONVOY, LLC - IA 632   2020-08-10   
641-401 2   221F ONVOY, LLC - IA 632   2020-11-20   
641-401 3   221F ONVOY, LLC - IA 632   2020-11-20   
641-401 4   221F ONVOY, LLC - IA 632   2018-12-23   
641-401 6   221F ONVOY, LLC - IA 632   2020-02-22   
641-401 7   508J CENTURYLINK COMMUNICATIONS, LLC 632   2018-12-25   
641-401 8   221F ONVOY, LLC - IA 632   2019-10-28   
641-995 A SWDLIAXORS9  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      

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

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