Local Calling Guide

Local prefixes

Calling plan types

Reverse direction

Inbound calling to Houghton, SD
NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective
605;885;Houghton;SD;;;;;
605;396;Columbia;SD;;;;;
605;994;Hecla;SD;;;;;
701;992;North Hecla;ND;;;;;

Last updated: Tue, 31 Mar 2026 13:56:49 UTC