U S Government--u S Postal Service, Wheatland 2210 Front St Buffalo, ND 58011 Phone : (701) 633-5584 Business Category Post Offices Government Offices & Public Schools Post Office - Wheatland 2210 Front St Wheatland, ND 58079 Phone : (701) 633-5584 Post Office - Wheatland Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (605) 357-4906