Background 

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 (OIG) 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 self-initiated audit of delivery operations and property conditions at the Loch Raven Branch in Towson, MD. The Loch Raven Branch is in the Maryland District of the Atlantic Area and serves about 47,721 people in ZIP Codes 21204, 21252, and 21286, which are considered a predominantly urban area. The facility also services ZIP Code 21284 for PO Boxes and business customers. 

This delivery unit has 46 city routes. From February 21 through March 20, 2026, the delivery unit had five supervisors assigned.3 In addition, the unit had a relief supervisor during our visit. The Loch Raven Branch falls under the Baltimore Post Office for employee availability4 measurement. As of March 31, 2026, the year-to-date employee availability rate for the Baltimore Post Office was 85.12 percent, which is less than the Postal Service’s retail and delivery operations employee availability goal of 93.95 percent for fiscal year 2026. The Loch Raven Branch is one of four delivery units5 the OIG reviewed during the week of April 13, 2026, that are serviced by the Baltimore Processing and Distribution Center.