United States Government--menno, Post Office 227 S 5th St Menno, SD 57045 Phone : (605) 387-5198 United States Government--menno, Post Office Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Menno 227 S 5th St Menno, SD 57045 Phone : (605) 387-5198 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (605) 357-4906