U.S. Postal Service

This report presents the results of our performance of the procedures agreed upon by the Office of the Chief Financial Officer of the U.S. Office of Personnel Management (OPM). The report responds to the U.S. Office of Management and Budget’s (OMB) requirement to assist the OPM in assessing the...

This interim report presents the results of our self-initiated audit of mail delivery, customer service, and property conditions at the North Milwaukee Station in Milwaukee, WI (Project Number 22-147-1) in response to a request from Senator Tammy Baldwin asking for a review of delivery operations in...

This report presents the results of our self-initiated audit of the Efficiency of Operations at the Milwaukee Processing and Distribution Center (P&DC) in Milwaukee, WI (Project Number 22-154). We conducted this audit to provide U.S. Postal Service management with timely information on operational...

This interim report presents the results of our self-initiated audit of mail delivery, customer service, and property conditions at the Waukesha Main Post Office (MPO) in Waukesha, WI (Project Number 22-147-2), and responds to a request from Senator Tammy Baldwin asking for a review of delivery...

Number 22-147-3), and responds to a request from Senator Tammy Baldwin asking for a review of delivery operations in the Milwaukee, WI area. The Dr. Martin Luther King Jr. Station is in the Wisconsin District of the Central Area and services ZIP Code 53212. This ZIP Code serves about 30,296 people...

This interim report presents the results of our self-initiated audit of mail delivery, customer service, and property conditions at the Bradley Carrier Annex in Milwaukee, WI (Project Number 22-147-4), and responds to a request from Senator Tammy Baldwin asking for a review of delivery operations in...

This report presents a summary of the results of our self-initiated audits assessing mail delivery, customer service, and property conditions at four select delivery units in the St. Louis, MO region (Project Number 22-115). These delivery units were the Saint Peters Main Post Office (MPO) and the...

The U.S. Postal Service announced Network Rationalization Initiatives in 2011 as an initiative to shrink its infrastructure through strategic consolidations and closings of mail processing facilities. The Postal Service used Area Mail Processing (AMP) guidelines to consolidate mail processing...

The U.S. Postal Service has one of the largest computer networks in the world, known as the [redacted] network, supporting its workforce and customers. The agency also has an extensive mail processing network critical to processing facilities nationwide. The Chief Information Officer oversees the...

Our objective was to evaluate the effectiveness of the Postal Service’s security controls to protect and manage its wireless infrastructure. Specifically, we conducted a technical wireless network assessment at four postal facilities from January through April 2022 using both [redacted] to determine...