▸▾ Claim This Listing Please login in order to be able to claim this listing. Username*: Email*: Password*: Log in | Lost your password? Grand Union Hotel Return to Directory Rating (average): (0) Business Name: Grand Union Hotel Business Genre: Hotel, Lodging Business Website Address: grandunionhotel.com Business Address, City: PO Box 1119, Fort Benton ZIP Code: 59442 Business Phone Number: 4066221882 Business Fax: 4066225985 Ratings There are no reviews yet. Please login to rate this listing.