Local Calling Guide

Area code/prefix search

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East Chain, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-773 A ECHNMNXERS7  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-773 0   073H TELNYX LLC 620   2024-02-24   
507-773 1   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-773 2   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-773 3   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-773 4   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-773 5   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-773 6   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-05-10   
507-773 7   184D ONVOY, LLC - MN 620   2015-06-18   
507-773 8   184D ONVOY, LLC - MN 620   2017-05-29   
507-773 9   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

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

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