Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 736

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-736 A Melvin IA MLVNIAXPRP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-736 0 Melvin IA   624H ONVOY SPECTRUM, LLC 630   2024-03-17   
712-736 1 Melvin IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-736 2 Melvin IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-736 3 Melvin IA   221F ONVOY, LLC - IA 630   2021-05-05   
712-736 4 Melvin IA   221F ONVOY, LLC - IA 630   2021-10-31   
712-736 6 Melvin IA   904D PREMIER COMMUNICATIONS, INC. - IA 630   2024-12-20   
712-736 7 Melvin IA   508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-24   
712-736 9 Melvin IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      

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

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