1. United States Postal Service 514 Chestnut St, Minburn, IA 50167 Coordinate: 41.75532,-94.02979 Phone: (800) 275-8777
2. US Post Office 416 Chestnut St, Minburn, IA 50167 Coordinate: 41.7552,-94.02887 Phone: (800) 275-8777