United States Government--post Office 31550 Co Hwy 27 S Garden City, IA 50102 Phone : (515) 893-2219 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Garden City 31550 County Highway S27 Garden City, IA 50102 Phone : (515) 893-2219 Post Office - Garden City Business Category Post Offices Toll-Free           (800) ASK-USPS