USPS begins consolidating processing facilities: Washington, D.C.—The U.S. Postal Service this week began to consolidate and close processing plants to cut expenses. Up to 48 service facilities will be impacted over the next two months. The USPS plans to close about 140 plants in its next fiscal year, which begins Oct. 1, and another 90 the following year. In addition, the USPS is offering buyouts and retirement packages to 21,000 postmasters as well as 45,000 mail handlers.