- Post Office - Abingdon ILThe post office in Abingdon was constructed in 1939 with funds provided by the federal government.
- Post Office - Ada OHThe historic post office in Ada, Ohio was constructed in 1938 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service today.
- Post Office - Adams MAThe Adams, Massachusetts post office was constructed between 1938 and 1940 using federal funds. The building is still in use today. A New Deal-funded fresco, “Quakers and the Site of Adams,” painted by Helen Rubin Stoler in 1940, hung in the lobby but has since been destroyed.
- Post Office - Akron NYThe historic post office in Akron, New York was constructed with federal Treasury Department funds. The building, which houses New Deal artwork inside, was completed in 1941 and is still in use today.
- Post Office - Albert Lea MNThe Albert Lea post office was constructed at a cost of $185,000 and opened 1937.
- Post Office - Albion NEConstructed in 1937.
- Post Office - Albion NYThe historic post office in Albion, New York was constructed with federal Treasury Department funds. The building, which houses New Deal artwork inside, was completed in 1938 and is still in use today.
- Post Office - Alderson WVThe historic post office in Alderson, West Virginia was constructed with federal Treasury Department funds. The building, which was constructed in 1936, is still in service.
- Post Office - Alexandria INThe post office in Alexandria was completed in 1936 with funds provided by the Treasury Department. It is also the site of Roland Schweinsburg's 1938 mural, "The Sledding Party," completed in 1938 for the Treasury Section of Fine Arts.
- Post Office - Alhambra CAThis New Deal post office was built in 1935 and boasts the usual Henry Morgenthau Jr. cornerstone. John W. Smart was the architect, Louis A. Simon the supervising architect, and Neal A. Melick the supervising engineer.
- Post Office - Allegan MIThe historic post office in Allegan, Michigan was constructed ca. 1936 with federal Treasury Department funds. The building is still in use today.
- Post Office - Allentown PAAllentown's main post office building was constructed in 1933-4 with Treasury Department funds. Deco details abound, and the building houses a substantial set of murals commissioned by the Treasury Section of Fine Arts. "Built in 1933-1934, the Allentown Post Office's Art Deco design adds a touch of distinction to a rather simple building. On the interior is a series of murals produced in 1937-1938 by New York artist Gifford Reynolds Beal (1879-1956). Each deals with a theme from Allentown history."
- Post Office - Alma MIThe historic post office in Alma, Michigan was constructed ca. 1938 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Altavista VAThe historic Altavista post office was constructed in 1939 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Alva OKThe historic post office building in Alva, Oklahoma was constructed with federal Treasury Department funds. The building, which was completed in 1936, is still in use today.
- Post Office - Ames IAThe post office in Ames was completed in 1935 with funds provided by the Treasury Department. It is also the site of Lowell Houser's 1938 mural, "The Evolution of Corn," completed with funds provided by the Treasury Section of Fine Arts and viewable in the lobby.
- Post Office - Amory MSPost office built in 1936 and listed on the National Register of Historic Places.
- Post Office - Amsterdam NYThe historic post office building in Amsterdam, New York "was built in 1935–1936, and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department under Louis A. Simon. It consists of a 2½-story, symmetrically massed brick building with 1-story side wings and a large rear wing in the Colonial Revival style. The interior features a pair of 1939 murals by Henry Schnakenberg (1892–1970)."
- Post Office - Anacortes WAThe historic post office in Anacortes was completed in 1938 with funds provided by the Treasury Department. It is also the site of Kenneth Callahan's mural, entitled "Halibut Fishing," completed in 1940 with funds provided by the Treasury Section of Fine Arts and viewable in the lobby.
- Post Office - Anadarko OKThe historic Anadarko post office building and Kiowa Indian Agency building was constructed with federal Treasury Department funds. The building, which houses New Deal artwork, was completed in 1936 and is still in use today.
- Post Office - Anchorage KYThe historic post office in Anchorage, Kentucky was constructed with federal Treasury Department funds in 1940. The building, which houses an example of new Deal artwork, is still in service.
- Post Office - Angola NYThe historic post office building in Angola, New York "was designed and built 1938-1939, and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department, Louis A. Simon. The building is in the Colonial Revival style."
- Post Office - Anson TXBuilt in 1938 with federal funding.
- Post Office - Anthony KSThe historic post office in Anthony, Kansas was constructed in 1937-8 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Arabi LAThe Arabi post office was constructed during 1936 and 1937 with federal funding. The building is still in use today
- Post Office - Arcadia FLThe Arcadia, Florida post office was constructed with federal Treasury Department funds in 1936-7. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Arcadia LAThe historic post office in Arcadia, Louisiana was constructed in 1937 with U.S. Treasury Department funds. The building, which houses a New Deal mural, is still in use today.
- Post Office - Ardmore PAThe post office in Ardmore was constructed in 1937 with Treasury Department funds.
- Post Office - Arlington MAThe Arlington, Massachusetts branch post office was constructed with federal funds. The building, which opened for business in 1936, is still in use today. A mural in the lobby, titled "Purchase of the Land and Modern Tilling of the Soil," was painted by William C. Palmer in 1938.
- Post Office - Ashburn GAThe historic post office in Ashburn, GA was constructed in 1939 with federal Treasury Department funds. The building is still in service.
- Post Office - Ashland MAThe post office in Ashland, Massachusetts was constructed with federal Treasury Department funds. The building, which was constructed in 1939 and houses an example of New Deal artwork, is still in service.
- Post Office - Ashland WIThe Ashland, Wisconsin post office was constructed with federal funds. The building, which opened for business in 1940, is still in use today.
- Post Office - Athens PAThe historic post office building in Athens, Pennsylvania was constructed with federal Treasury Department funds in 1940. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Atmore ALThe historic post office in Atmore, Alabama was constructed in 1935 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Attica INThe historic post office in Attica, Indiana was constructed in 1935 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Attica NYThe historic post office building in Attica, new York was "designed and built in 1936-1937 ... by the Office of the Supervising Architect of the Treasury Department, Louis A. Simon. It is a one story brick structure on a stone watertable in the Colonial Revival style. The interior includes a mural painted in 1938 by Thomas Donnelly and titled 'Fall in the Genesee Country.'"
- Post Office - Auburn NEThe post office in Auburn was constructed with funds provided by the Treasury Department in 1936. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Audubon IAThe post office in Audubon was completed in 1940 with funds provided by the Treasury Department. It is also the site of Virginia Snedecker's 1942 mural, "Audubon's Trip down the Ohio and Mississippi--1820," completed with funds provided by the Treasury Section of Fine Arts and viewable in the lobby.
- Post Office - Augusta KSThe historic post office in Augusta, Kansas was constructed in 1938 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Aurora INThe historic Aurora post office was completed in 1935 with Treasury Department funding. The building, which houses an example of New Deal artwork, is still in service.