Local Calling Guide

Local prefixes

Calling plan types

Reverse direction

Inbound calling to White Sulphur Springs, MT
NPA;NXX;Rate Centre;Region;Plan Type;Call Type;Monthly Limit;Note;Effective
406;305;White Sulphur Springs;MT;;;;;
406;547;White Sulphur Springs;MT;;;;;

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