City Hall Address: 103 E Hamilton St, Sheridan, MT 59749 Phone: (406) 842-5431 Kellogg-American, Federal Government Contractors, City Government, City Government-Executive Offices Other Businesses: Smith Law Firm at 206 S Main St, Sheridan, MT 59749 Kruer Law Firm at 105 Mill St, Sheridan, MT 59749 Shovel at 108 N Main St, Sheridan, MT 59749