Several United States post offices are individually notable and have operated under the authority of the United States Post Office Department (1792–1971)...

This is a list of the first openly LGBT people to have held political office in the United States. No openly LGBT person has served as president or vice...

United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of...

is a list of United States post offices which currently operate, or previously operated, in the area of the State of Colorado. For post offices currently...

is a list of United States post office murals, produced in the United States from 1934 to 1943 through commissions from the Procurement Division of the...

Clause 7 of the United States Constitution, known as the Postal Clause or the Postal Power, empowers Congress "To establish Post Offices and post Roads."...

Several sets of codes and abbreviations are used to represent the political divisions of the United States for postal addresses, data processing, general...

United States post office murals are notable examples of New Deal art produced during the years 1934–1943. They were commissioned through a competitive...

This is a list of presidents of the United States by other offices (either elected or appointed) held. Every president of the United States except Donald...

of the U.S. states List of current United States first spouses List of current United States governors by age List of current United States lieutenant...