Local Calling Guide

Area code/prefix search

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Frost, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
507-878 A BLERMNXBDS0  1440 CANNON VALLEY TELECOM, INC. 620      
507-878 0   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 1   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 3   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 4   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 5   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 6   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 7   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 8   1440 CANNON VALLEY TELECOM, INC. 620      
507-878 9   1440 CANNON VALLEY TELECOM, INC. 620      

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

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