(ordered by state and city) •
Old Athens, Alabama Main Post Office in Athens, Alabama, listed on the National Register of Historic Places •
Old Brick Post Office in Wickenburg, Arizona, NRHP-listed •
Old Camden Post Office in Camden, Arkansas, listed on the NRHP in Arkansas •
Old Post Office (Fayetteville, Arkansas), listed on the NRHP in Arkansas •
Old Post Office (Hot Springs, Arkansas), listed on the NRHP in Arkansas •
Little Rock U.S. Post Office and Courthouse, also known as the Old Post Office and Courthouse, Little Rock, Arkansas, NRHP-listed •
Old Post Office (Mena, Arkansas), listed on the NRHP in Arkansas •
Old Post Office (Santa Rosa, California), listed on the NRHP in California •
Old Post Office Building (Washington, D.C.), District of Columbia •
Old Eau Gallie Post Office, in Eau Gallie, Florida •
Old Fort Pierce Post Office, in Fort Pierce, Florida, NRHP-listed •
Old Post Office and Customshouse (Key West, Florida), NRHP-listed •
Old U.S. Post Office and Federal Building (Macon, Georgia), listed on the NRHP in Georgia •
Old Chicago Main Post Office, Chicago, Illinois, listed on the NRHP in Illinois •
Former US Post Office Building (Fairfield, Iowa), listed on the NRHP in Iowa •
Old Post Office (Iowa City, Iowa), NRHP-listed •
Old United States Courthouse and Post Office (Frankfort, Kentucky), NRHP-listed •
Old U.S. Customshouse and Post Office and Fireproof Storage Company Warehouse, in Louisville, Kentucky, NRHP-listed •
Old Post Office (Baton Rouge, Louisiana), listed on the NRHP in Louisiana •
Old Post Office (Augusta, Maine), listed on the NRHP in Maine •
Old Post Office (Liberty, Maine), NRHP-listed •
Old Post Office Building (Brockton, Massachusetts), NRHP-listed •
Old Post Office Building (Lynn, Massachusetts), NRHP-listed •
Old US Post Office (Philadelphia, Mississippi), NRHP-listed •
Old Post Office (Omaha, Nebraska), a former building in Omaha, Nebraska •
Old Post Office (Concord, New Hampshire), listed on the NRHP in New Hampshire •
Old Post Office Block, in Manchester, New Hampshire, listed on the NRHP in New Hampshire •
Old Post Office (Albuquerque, New Mexico), NRHP-listed •
Old Clovis Post Office in Clovis, New Mexico, listed on the NRHP in New Mexico •
Old Las Vegas Post Office in Las Vegas, NM,
listed on the NRHP in New Mexico •
Old Post Office (Albany, New York), NRHP-listed •
United States Post Office, Former, and Federal Courthouse (Auburn, New York), NRHP-listed •
Old Post Office (Buffalo, New York), formerly the tallest building in Buffalo, NRHP-listed •
Old Post Office (Oneonta, New York), NRHP-listed •
Former US Post Office (Belmont, North Carolina),
listed on the NRHP in North Carolina •
Former US Post Office (Mount Olive, North Carolina),
listed on the NRHP in North Carolina •
Former US Post Office (Smithfield, North Carolina),
listed on the NRHP in North Carolina •
Former US Post Office Building (Waynesville, North Carolina),
listed on the NRHP in North Carolina •
Post Office (Christine, North Dakota), known also as
Old Post Office, NRHP-listed, in Richland County •
Old Akron Post Office,
listed on the NRHP in Akron, Ohio •
Old College Hill Post Office in Cincinnati, Ohio, NRHP-listed •
Howard M. Metzenbaum United States Courthouse, Cleveland, Ohio, NRHP-listed as "Old Federal Building and Post Office" •
United States Post Office and Courthouse (Columbus, Ohio), NRHP-listed •
Old Post Office and Federal Building (Dayton, Ohio), in Dayton, Ohio,
listed on the NRHP in Ohio •
Franklin Post Office, in Franklin, Ohio, NRHP-listed as "Old Log Post Office" •
Old Central Post Office in Toledo, Ohio,
listed on the NRHP in Ohio •
Old Post Office (Watertown, South Dakota), NRHP-listed as "Watertown Post Office" •
Old Post Office (Chattanooga, Tennessee),
listed on the NRHP in Tennessee •
Old Post Office Building (Knoxville, Tennessee), listed on the NRHP in Tennessee •
Old U.S. Post Office and Courts Building (Jefferson, Texas), NRHP-listed •
Old Federal Building and Post Office (Victoria, Texas),
National Register of Historic Places listings in Victoria County, Texas •
Old Post Office (Washington, D.C.), NRHP-listed as "Old Post Office and Clock Tower" •
Old Post Office (Pullman, Washington), NRHP-listed as "U.S. Post Office-Pullman" • Old Morgantown Post Office, part of the
Monongalia Arts Center in Morgantown, West Virginia, NRHP-listed •
Old Ashland Post Office,
listed on the NRHP in Ashland, Wisconsin •
Former United States Post Office (Kaukauna, Wisconsin), listed on the NRHP in Wisconsin ==See also==