1. United States Postal Service 300 8th St SE, Altoona, IA 50009 Coordinate: 41.64349,-93.46177 Phone: (800) 275-8777
2. US Post Office 108 8th St SW, Altoona, IA 50009 Coordinate: 41.64404,-93.46471 Phone: (800) 275-8777