The U.S. Postal Service’s mission is to provide timely, reliable, secure, and affordable mail and package delivery to more than 160 million residential and business addresses across the country. The U.S. Postal Service Office of Inspector General reviews delivery operations at facilities across the country and provides management with timely feedback in furtherance of this mission.
This interim report presents the results of our audit of delivery operations and property conditions at the Ballwin Main Post Office (MPO) in Ballwin, MO. We selected the St. Louis area based on a congressional inquiry issued April 1, 2025, from U.S. senators and representatives from Missouri to conduct an audit of post offices and processing facilities in the St. Louis metro area. The Ballwin Main Post MPO is in the Kansas-Missouri District of the Central Area and serves about 94,150 people in ZIP Codes 63011 and 63021, which are considered a predominantly urban area. Specifically, 92,390 (98 percent) live in urban communities and 1,760 (2 percent) live in rural communities.
Ballwin, MO
United States
