Service Areas/Extended Area Service (EAS)

3 Rivers is the incumbent local telephone and Internet provider in 26 exchanges in Montana and provides competitive telephone and Internet service in 3 other exchanges--Conrad, Shelby and Great Falls. See map below for exchanges where 3 Rivers is the incumbent local provider.


Extended Area Service (EAS)

3 Rivers co-op members are now able to call from one 3 Rivers exchange to any other 3 Rivers exchange without having to dial 406 and without incurring toll charges. All 3 Rivers exchanges are now part of your local calling area (with the exception of Conrad, Shelby and Great Falls). For most m