Local Calling Guide

Local prefixes

Calling plan types

Reverse direction

Outbound calling from 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, 16 Jun 2026 00:09:45 UTC