Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Clarks Grove, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-256 A CLGVMNXCDS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-568 A ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-568 0 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2006-12-09   
507-568 1 ROCHMNROXRX  073H TELNYX LLC 620   2020-07-12   
507-568 2 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2020-11-02   
507-568 3 ROCHMNROXAX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2023-02-10   
507-568 4 ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-06-21   
507-568 5 OWTNMNGG0MD  429A MIDCONTINENT COMMUNICATIONS - MN 620   2015-08-31   
507-568 6 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-09-11   
507-568 7 ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-10-24   
507-568 8 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2014-12-31   
507-568 9 ROCHMNROUMD  184D ONVOY, LLC - MN 620   2021-03-08   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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