Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-962 A ROCHMNROUMD  221F ONVOY, LLC - IA 620      
712-962 7 ROCHMNROUMD  221F ONVOY, LLC - IA 620   2022-01-23   
712-963 A ELWOMNXERS9  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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