Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-683 A DDHMIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-683 0   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-683 1   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-683 2   444G AUREON COMMUNICATIONS, LLC 644   2019-10-17   
712-683 3   221F ONVOY, LLC - IA 644   2021-10-30   
712-683 4   156C BTC, INC. - IA 644   2022-04-02   
712-683 5   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-683 6   221F ONVOY, LLC - IA 644   2021-05-21   

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

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