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: 975

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-975 A Cass Lake MN FARGNDBCX7X  184D ONVOY, LLC - MN 636      
218-975 0 Cass Lake MN   184D ONVOY, LLC - MN 636   2012-09-25   
218-975 1 Cass Lake MN   429A MIDCONTINENT COMMUNICATIONS - MN 636   2008-06-16   
218-975 2 Cass Lake MN   184D ONVOY, LLC - MN 636   2012-12-17   
218-975 3 Cass Lake MN   184D ONVOY, LLC - MN 636   2012-12-17   
218-975 4 Cass Lake MN   184D ONVOY, LLC - MN 636   2014-10-04   
218-975 5 Cass Lake MN   184D ONVOY, LLC - MN 636   2014-10-04   
218-975 6 Cass Lake MN   184D ONVOY, LLC - MN 636   2016-04-06   
218-975 7 Cass Lake MN   184D ONVOY, LLC - MN 636   2007-06-17   
218-975 8 Cass Lake MN   184D ONVOY, LLC - MN 636   2011-12-05   
218-975 9 Cass Lake MN   184D ONVOY, LLC - MN 636   2016-04-06   

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

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