United States Government--labor Department Of, Postal Service, Adams Adams, ND 58210 Phone : (701) 944-2722 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Adams 500 Main St Adams, ND 58210 Phone : (701) 944-2722 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (605) 357-4906