Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-429 A ALPHIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 1   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 2   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 3   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      
563-429 4   221F ONVOY, LLC - IA 635   2021-05-07   
563-429 5   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-07-20   
563-429 6   429J HAWKEYE INTERCONNECT COMPANY - IA 635   2023-07-10   
563-429 7   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-09   
563-429 8   221F ONVOY, LLC - IA 635   2021-10-29   
563-429 9   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 635      

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

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