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Comfrey, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-877 A CMFRMNXCRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-877 0   184D ONVOY, LLC - MN 620   2019-09-11   
507-877 1   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-05-10   
507-877 2   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-877 3   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-877 4   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-877 5   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-877 6   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      
507-877 7   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2015-08-25   
507-877 8   184D ONVOY, LLC - MN 620   2014-12-31   
507-877 9   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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