U.S. Postal Service

During the week of January 13, 2025, we performed a self-initiated audit at the Phoenix and West Valley Processing and Distribution Centers (P&DC) and five delivery units serviced by the P&DCs. The delivery units included the Boulder Hills, Mesa Four Peaks, and Scottsdale Stations; Avondale Goodyear...

The In-Office Cost System (IOCS) is the U.S. Postal Service’s primary probability sampling system used for estimating the cost of processing mail and parcels. The data collected from IOCS enables the Postal Service to allocate the labor costs from the handling of mail, parcels, and related...

This report presents the results of our audit of the Security of Electric Vehicle Charging Stations. Our objective was to assess the security of the Postal Service’s EV charging stations. We contracted with a provider to evaluate the technical, communication, and data security controls of one...

In March 2021, the Postal Service released a 10-year strategic plan to address continuing annual financial losses, unmet service performance goals, and diminishing market relevancy as consumer behaviors have changed. On September 30, 2024, the Postal Service released Delivering for America (DFA) 2.0...

The American public depends on the U.S. Postal Service to deliver its mail timely. The Postal Service has service standards against which it measures its performance — such as for First‑Class and Priority Mail, as examined in this report — so it can track how timely it is delivering for the American...

This report presents the results of our audits of delivery operations and property conditions in the Georgia District in the Southern Area. 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...

The U.S. Postal Service selected the Terre Haute Sorting & Delivery Center (S&DC) as one of the first facilities for fleet modernization and electrification. It contracted for the design and installation of 76 parking spaces with charging ports to support the electrical vehicle (EV) rollout. An...

The U.S. Postal Service is responsible for processing, transporting, and delivering the nation’s Election and Political Mail. The Postal Service has specific policies and procedures on the proper acceptance, processing, delivery, and documentation of Election and Political Mail. Our objective was to...

This report presents the results of our audit of Efforts to Reduce Workhours in Mail Processing. The U.S. Postal Service’s mail processing function involves the sortation and distribution of mail for dispatch and delivery. During fiscal year (FY) 2024, more than 107,000 employees worked in the mail...

This report presents the results of our audit of the Postal Automated Redirection System. The Postal Automated Redirection System (PARS) was deployed in 2007 to handle letter mail that cannot be delivered to the name and address on the mailpiece. Mail sorting equipment can automatically intercept...