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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-336 A Duluth MN   184D ONVOY, LLC - MN 624      
218-336 0 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 1 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 2 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 3 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 4 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 5 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 6 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 7 Duluth MN   184D ONVOY, LLC - MN 624      
218-336 8 Duluth MN   184D ONVOY, LLC - MN 624      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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