The U.S. Postal Service (USPS) is an independent agency of the federal government responsible for providing postal services in the United States. Established in 1775, it offers mail delivery, shipping, and other related services to individuals and businesses across the country. USPS operates thousands of post offices and employs hundreds of thousands of workers. USPS delivers mail to every address in the U.S., including remote and rural areas. It offers various mailing options, such as first-class mail, priority mail, and international shipping. The agency is known for its iconic blue mailboxes and the famous mail carrier who deliver letters and packages daily.