- 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 - Appalachia VAThe historic post office in Appalachia, Virginia was constructed in 1938 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use.
- 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.
- Post Office - Ayer MAThe post office in Ayer, Massachusetts was constructed with Treasury Department funds. The building, which has since been expanded, was constructed in 1940-1. Additionally, it houses an example of New Deal artwork in its P.O. Box lobby.
- Post Office - Ballinger TXThe historic post office building in Ballinger, Texas was constructed from 1937-8 with federal Treasury Department funds. The building is still in service.
- Post Office - Ballston Spa NYThe historic post office in Ballston Spa, New York was constructed with federal Treasury Department funds. The building, which was constructed in 1935, is still in use today.
- Post Office - Bamberg SCThe historic post office building in Bamberg, South Carolina was built in 1937; a New Deal mural titled "Cotton the World Over" hangs in the lobby.
- Post Office - Bangor PAThe historic Bangor post office was constructed in 1939 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service. As of 2018 the lobby retains distinctive lighting fixtures, believed by Living New Deal to be original to the building.
- Post Office - Barnesville OHThe historic post office in Barnesville, Ohio was constructed in 1934-5 with federal Treasury Department funds. The building, which housed an example of New Deal artwork, is still in service today.
- Post Office - Bassett VAThe historic New Deal post office in Bassett, Virginia was constructed with federal Treasury Department funds in 1938. The post office is still in use today.
- Post Office - Bastrop LAThe historic former post office building in Bastrop, Louisiana was completed in 1935 with U.S. Treasury Department funds. The building, which has been extensively modified, is still in service, and still bears its original cornerstone.
- Post Office - Batesville INThe post office in Batesville was completed in 1937 with funds provided by the Treasury Department. It is also the site of Orville Carroll's 1938 mural, "Building the Industrial Foundations of Batesville," completed with funds provided by the Treasury Section of Fine Arts and viewable in the lobby.
- Post Office - Baxter Springs KSThe historic post office in Baxter Springs, Kansas was constructed in 1936 with federal Treasury Department funds. The building is still in service.
- Post Office - Baytown TXThis post office was constructed in 1936 with Treasury Department funds. Consolidation of Goose Creek, Pelly and Baytown, took place on February 15, 1947 and the new city was called Baytown. The Post Office department designated the Goose Creek Office as the main Post Office and the Baytown and Pelly offices were made substations. This, the original Baytown post office, became substation A. The building is one story buff brick with white cement accents around the doors and front windows. Spanish tile roof. Cornerstone: Henry Morgenthau Jr. Secretary of the Treasury James A. Farley Postmaster General Louis A. Simon Supervising Architect Neal A. Meleck Supervising Engineer 1936
- Post Office - Beacon NYThe historic post office in Beacon, New York was constructed with Treasury Department funding as part of the New Deal. "Architects Charles Rosen and Gilbert Stanley Underwood produced a Colonial Revival style building in stone, a common building material for many early houses in the Hudson Valley." The building, which was completed in 1937, houses a striking wraparound New Deal mural.
- Post Office - Beaufort NCThe historic post office in Beaufort, North Carolina was constructed in 1938 with federal Treasury Department funds. It is home to four New Deal murals by Simka Simkhovitch—"Criss Wright," "Goose Decoys," "Mail to Cape Lookout," and "Sand Ponies"—all painted in 1940 for the Treasury Section of Fine Arts.
- Post Office - Beaver Falls PAThe historic New Deal post office in Beaver Falls, Pennsylvania was constructed with federal Treasury Department funds in 1937. The post office is still in use today.
- Post Office - Beaver UTThe historic post office in Beaver, Utah was constructed with Treasury Department funds in 1941. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Belding MIThe historic post office in Belding was constructed in 1933 with funds provided by the Treasury Department. It is also the site of Marvin Beerhom's 1943 mural, "Belding Brothers and Their Silk Industry," viewable in the library.
- Post Office - Bellefonte PAThe historic post office building in Bellefonte, Pennsylvania was constructed with federal Treasury Department funds in 1933. The building is still in service.
- Post Office - Belleville KSThe historic post office building in Belleville, Kansas was constructed with federal Treasury Department funds in 1937-8.
- Post Office - Bellevue OHThe historic post office in Bellevue, Ohio was constructed in 1935-6 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service today.