Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 218 [Rate centres in NPA 218] [Dial plan for NPA 218]

NXX: 412

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-412 A Grand Marais MN DLTHMNMEX7X  184D ONVOY, LLC - MN 624      
218-412 1 Grand Marais MN DLTHMNMEX7X  184D ONVOY, LLC - MN 624      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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