U S Government--postal Service 455 4th St Wyndmere, ND 58081 Phone : (701) 439-2500 Business Category Government Offices & Public Schools Post Office - Barney 118 Main St Barney, ND 58008 Phone : (701) 439-2500 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - Wyndmere 455 4th St Wyndmere, ND 58081 Phone : (701) 439-2500 Post Office - Wyndmere Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (605) 357-4906 United States Postal Service , Phone : (701) 439-2500 United States Postal Service Business Category