The agency's semiquincentennial will be marked by an event at the Smithsonian's National Postal Museum in Washington, D.C., ...

Conceived as a broad public service, the postal service was key to US independence, Western expansion and ensuring an ...

From mail-carrying mules to more than 3 billion people visiting the U.S. Postal Service’s website a year, the USPS has a ...

Long Island now has one of the fastest, most efficient and reliable mail services in the country thanks to a high-tech Postal ...

When the U.S. Constitution was ratified, Congress was granted power to establish post offices and mail routes — many along ...