United States Postal Service - Washington, DC

The United States Postal Service traces its origins to the postal system created by the Second Continental Congress in 1775 and later became a permanent federal mail service in the early 1790s. The organization delivers mail and packages, supports shipping services for households and businesses, and provides postal products and related customer services through a broad national network. The United States Postal Service remains part of the federal government's communications and delivery infrastructure, with operations tied to mail processing, delivery, and protection of the mail under U.S. postal law.