Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-646 A MNDMIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-646 1 MNDMIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-646 2 MNDMIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-646 3 OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-10-30   
712-646 4 OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-05-21   
712-646 6   145J TERRA NOVA TELECOM INC. 644   2025-05-31   
712-646 9 MNDMIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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