- Post Office - Middleport NY"In 1939, as part of relief efforts during the Great Depression, Congress authorized the construction of a post office building in the village, one of the last of over 200 in the state built in the 1930s. The government acquired the present site for $8,950 ($150,000 in contemporary dollars) and demolished the village's trolley stop, a church social hall and house to make way for the new building. In May 1940 a Takoma Park, Maryland, contractor began construction. The building was opened in January 1941, one of the last new post offices to be completed before Congress began diverting resources...
- Post Office - Middleport OHThis post office, completed with funds from the federal government in 1937, is also the site of Clara Fasano's 1939 plaster sculpture, "The Family," completed with funding from the Treasury Section of Fine Arts and located in the post office's lobby.
- Post Office - Midland PAThe historic post office in Midland, Pennsylvania was constructed ca. 1938 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Mifflinburg PAThe historic post office building in Mifflinburg, Pennsylvania was constructed with federal Treasury Department funds. The building, which opened in , is still in use today. Striking New Deal artwork resides in the lobby.
- Post Office - Milan TNThe historic post office in Milan, Tennessee was built with Treasury Department funds and completed in 1936. The distinctive Renaissance Revival-style building is listed on the National Register of Historic Places, and still serves its original purpose.
- Post Office - Milford NHThe historic post office in Milford, New Hampshire was constructed with federal Treasury Department funds in 1939. The building, which houses an example of New Deal art, is still in use today.
- Post Office - Millburn NJThe historic post office in Millburn, New Jersey was constructed in 1939 with Treasury Department funds. The building, which housed an example of New Deal artwork, is still in service.
- Post Office - Millbury MAThe contract to build the Millbury post office was awarded to the Daniel Cunningham Construction Company on March 15, 1940. The project was to be completed within 270 calendar days at a cost of $54,353.00. Groundbreaking occurred at the end of April and construction was completed in late October. The building officially opened on January 27, 1941 with postmaster James L. Ivory. The walls and ceiling are constructed of steel and are reinforced with stone and concrete. The basement contains a large room that was originally constructed as a bomb shelter. The mural "An Incident in the King Philip War, 1670" was painted...
- Post Office - Millen GAThe stately post office in Millen, Georgia was constructed in 1937-8 with Treasury Department funds. Postmaster General James A. Farley dedicated the post office on April 28, 1938, as part of a tour that included multiple other new postal facilities in Georgia. Per The Macon Telegraph, Apr. 27, 1938: Farley will get a typical Savannah welcome when be arrives here tomorrow in this city famed for its hospitality. There will be a delegation at the Union station to meet his train at 7 a.m. He will be entered at a breakfast. A motorcade will start afterwards for Millen. where Farley is to...
- Post Office - Millersburg PAThe historic Millersburg, Pennsylvania post office was constructed in 1935-6 with Treasury Department funds. The building is still in service.
- Post Office - Millinocket METhe historic post office in Millinocket, Maine was built in 1936-7 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Milton MAThe distinctive branch post office in Milton, Massachusetts was constructed by the Treasury Department in 1936.
- Post Office - Milton PAThe historic post office building in Milton was completed in 1934 with federal Treasury Department funds. The exterior of the post office contains several remarkable pieces of New Deal artwork.
- Post Office - Minden NEThe historic post office in Minden, Nebraska was built with Treasury Department funds and completed in 1937. The building, which is listed on the National register of Historic Places, is one of a dozen in the state to house an example of New Deal artwork. The facility is still in service.
- Post Office - Mineola NYThe historic post office building in Mineola, New York was constructed with federal Treasury Department funds in 1935-6. The building, which was dedicated in Oct. 1936, is still in service.
- Post Office - Minerva OHThe historic post office in Minerva, Ohio was constructed in 1937 with federal Treasury Department funds. The building is still in service.
- Post Office - Missouri Valley IAThe historic post office in Missouri Valley, Iowa was constructed in 1936-7 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Mobridge SDThe stately and historic post office in Mobridge, South Dakota was constructed in 1937-8 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still service. Dean Engineering and Construction of Reedsburg, Wisconsin was the general contractor, with construction beginning in Oct./Nov. 1937. Dedication of the facility occurred on Aug. 26, 1938 (though residual construction work relating to the building's basement occurred in late 1939). Per the Argus-Leader of Sioux Falls: All letters going through the Mobridge postoffice that day will be stamped with a special cachet, reading 'The Only Mobridge in the World.' New Postoffice Dedication....
- Post Office - Moline ILThe historic post office building in Moline, Illinois was constructed in 1934 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Monett MOBuilt by the US Treasury Department in 1937.
- Post Office - Monroeville ALThe historic post office in Monroeville, Alabama was constructed in 1937-8 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Montesano WAThe historic post office in Montesano, Washington was constructed with federal Treasury Department funds. The building, which was constructed ca. 1935, is still in use today.
- Post Office - Montevallo ALThe historic post office in Montevallo, Alabama was constructed in 1936-7 with federal Treasury Department funds. The building, which houses an example of New Deal artwork in its lobby, is listed on the National Register of Historic Places and is still in service.
- Post Office - Montezuma GAThe historic and stately post office in Montezuma, Georgia was constructed in 1939 with Treasury Department funds.
- Post Office - Montgomery WVThe historic post office in Montgomery, West Virginia was built in 1935-6 with Treasury Department funds. The stately building is still in service.
- Post Office - Monticello GAThe historic post office in Monticello, Georgia was constructed in 1936 with Treasury Department funds. The building, which housed an example of New Deal artwork, is still in service.
- Post Office - Monticello IAThe historic post office in Monticello, Iowa was built in 1939 with Treasury Department funds. The building, which has been significantly remodeled, houses an example of New Deal artwork and is still in service.
- Post Office - Monticello ILThe historic post office in Monticello, Illinois was constructed in 1934 with federal Treasury Department funds. The building is still in service.
- Post Office - Monticello INThe historic post office in Monticello, Indiana 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 - Monticello NYThe historic post office in Monticello, New York was constructed in 1934-5 with federal Treasury Department funds. The stately building is still in service.
- Post Office - Montpelier OHThe historic post office building in Montpelier, Ohio was constructed with Treasury Department funds about 1940. The building is still in use today and houses a Section of Fine Arts mural by Leonard Ahneman.
- Post Office - Moorestown NJThe historic post office in Moorestown, New Jersey was constructed with Treasury Department funds. The building, which was completed in 1935, is still in use today.
- Post Office - Moravia NYThe historic post office in Moravia, New York was constructed with federal Treasury Department funds. The building, which was constructed in 1940-1 and houses an example of New Deal artwork inside, is still in use today.
- Post Office - Morganfield KYThe historic post office in Morganfield, Kentucky was completed in 1937 with funds provided by the Treasury Department. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Morris MNThe historic post office in Morris, Minnesota 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 - Morrison ILConstructed by the Treasury Department in 1934.
- Post Office - Mount Ayr IAThe stately and historic post office in Mount Ayr, Iowa was built in 1939-40 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Mount Hope WVThe historic post office in Mount Hope, West Virginia was built in 1940-1 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Mount Joy PAThe stately historic post office in Mount Joy, Pennsylvania was constructed with federal Treasury Department funds in 1935. The building is still in operation.
- Post Office - Mount Pleasant IAThe historic post office in Mount Pleasant, Iowa was built in 1935-6 with Treasury Department funds. The building, which houses examples of New Deal artwork, is still in service.