Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Donnybrook, ND

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
701-482 A MNOTNDXADS0  3303 SRT COMMUNICATIONS, INC. 638      

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

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