216 7th Ave SouthLewistown, MT 59457 Phone: +1 406-535-5411Fax: +1 406-535-5414Toll Free: +877-371-5411 Hotel E-mailHotel Website Commission Rooms Rates - 27 $90-$90 (USD) Hoteliers! Is your information accurate? Update Here The Calvert Hotel Location & Neighborhood Nestled amongst five mountain ranges.