Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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South Heart, ND

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
701-413 A BSMRNDGOGT0  3065 MIDCONTINENT COMMUNICATIONS - ND 638      
701-677 A DCSNNDASDS0  1607 CONSOLIDATED TELCOM 638      

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

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