Ada sekitar 36.000 kantor pos, stasiun, dan cabang dari US Postal Service.[1] Selain mengirim dan menerima surat dan paket, USPS menawarkan prangko, kartu pos, alat tulis, dan foto paspor AS.[2] Mulai April 2020, pendaftaran layanan paspor USPS diperlukan.
Bacaan tambahan
Adelman, Joseph M. "'A Constitutional Conveyance of Intelligence, Public and Private': The Post Office, the Business of Printing, and the American Revolution," Enterprise & Society (2010) 11#4 pp 709–752. in Project MUSE
Fuller, Wayne. American Mail: Enlarger of the Common Life (1972)
Henkin, David M. The Postal Age: The Emergence of Modern Communications in Nineteenth-Century America (2007) excerpt and text search
John, Richard R. Spreading the News: The American Postal System From Franklin to Morse (1998) excerpt and text search
Kielbowicz, Richard. "The Press, Post Office, and Flow of News in the Early Republic," Journal of the Early Republic (1983) 3: 255–80.
Kielbowicz, Richard. News in the Mail: The Press, Post Office, and Public Information, 1700-1860s (1989) excerpt and text search
McCaleb, Walter Flavius. "The Organization of the Post-Office Department of the Confederacy," American Historical Review (1906) 12#1 pp.66–74 in JSTOR
Musacco Ph.D, Stephen. "Beyond Going Postal: Shifting from Workplace Tragedies and Toxic Work Environments to a Safe and Healthy Organization", (2009) Booksurge Publishing, Book Trailer
Rich, Wesley Everett. The History of the United States Post Office to the Year 1829 (Harvard University Press, 1924)
Smith, William. "The Colonial Post-Office," American Historical Review (1916) 21#2 pp.258–275 in JSTOR
White, Leonard D. The Federalists: A study in administrative history: 1789-1801 (1948), pp 173–98
White, Leonard D. The Jeffersonians: A study in administrative history: 1801-29 (1950), pp 299–335
White, Leonard D. The Jacksonians: A study in administrative history: 1829-61 (1954), pp 251–83
White, Leonard D. The Republican Era: A study in administrative history: 1869-1901 (1963), pp 257–77