Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Oslo, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
218-691 A TRFLMN24RS0  105J GARDEN VALLEY TELEPHONE COMPANY - MN 636   2024-03-24   
218-691 6   105J GARDEN VALLEY TELEPHONE COMPANY - MN 636   2024-03-24   
218-695 A OSLOMNXORS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      
218-695 0   184D ONVOY, LLC - MN 636   2019-09-12   
218-695 1   073H TELNYX LLC 636   2020-07-20   
218-695 2   184D ONVOY, LLC - MN 636   2021-04-07   
218-695 3   184D ONVOY, LLC - MN 636   2021-03-11   
218-695 4   429A MIDCONTINENT COMMUNICATIONS - MN 636   2012-07-06   
218-695 5   184D ONVOY, LLC - MN 636   2019-09-12   
218-695 6   508J CENTURYLINK COMMUNICATIONS, LLC 636   2018-01-12   
218-695 7   914F WIKSTROM TELEPHONE COMPANY, INC. - MN 636   2013-07-21   
218-695 8   184D ONVOY, LLC - MN 636   2014-11-06   
218-695 9   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 636      

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

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