On This Day in Telephone History July 17TH 1911 The Mountain States Telephone and Telegraph Company was Formed.
Colorado Telephone, Tri-State Telephone, and Rocky Mountain Bell merged to form The Mountain States Telephone and Telegraph Company.
On This Day in Telephone History July 17TH 1911 The Mountain States Telephone and Telegraph Company was Formed.
Colorado Telephone, Tri-State Telephone, and Rocky Mountain Bell merged to form The Mountain States Telephone and Telegraph Company.