Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-207 A AVOCIAXO2MD  774B WALNUT TELEPHONE COMPANY, INC. - IA 644      
712-207 2   774B WALNUT TELEPHONE COMPANY, INC. - IA 644   2004-07-16   
712-207 3   221F ONVOY, LLC - IA 644   2021-10-31   
712-207 4   221F ONVOY, LLC - IA 644   2022-01-28   
712-207 5   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 644   2022-07-03   
712-544 A SHLBIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-544 1   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-544 2   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-544 4   965H FRACTEL, LLC 644   2020-01-17   
712-544 5   221F ONVOY, LLC - IA 644   2021-05-21   
712-544 9   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      

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

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