- Post Office - Bonners Ferry IDThe historic post office in Bonners Ferry, Idaho was constructed in 1937-8 with Treasury Department funds. The building, which is listed on the National Register of Historic Places, is still in service.
- Post Office - Boone NCThe historic New Deal post office in downtown Boone, North Carolina was constructed in 1938-9. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Boonville INThe historic Boonville post office was constructed ca. 1939 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Boonville NYThe post office in Boonville, New York was built in 1937 by the US Treasury Department. It is one of many post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department, Louis A. Simon – though likely with the help of local architects, as was often the case. It is a one story brick building in Colonial Revival style, with hipped roof and octagonal cupola with metal window tracery and an iron weathervane. It is part of the Boonville Historic District.
- Post Office - Bordentown NJThe historic post office building in Bordentown, New Jersey was built in 1939 with federal Treasury Department funds.
- Post Office - Bound Brook NJThe post office in Bound Brook, New Jersey was constructed with federal Treasury Department funds. The building, which opened in 1935, is still in use today.
- Post Office - Bowling Green MOThe historic post office in Bowling Green, Missouri was constructed in 1936 with Treasury Department funds. The building is still in service. From contributor Charles Swaney: "The entry to this post office is atypical and offset to the west side of the building. It has a brick façade with concrete accents that are depressed lines and circles symmetrically above the windows. The information stone is also atypically in the center of the south façade rather than at the end of the wall. There is no mural in this post office."
- Post Office - Boyertown PAThe Boyertown post office was constructed in 1938 with the assistance of funds provided by the federal government. It is also the site of Moissaye Marans's three sculptures--"Transfer of Skill," "Education," and "Barnyard"--completed in 1941 for the Treasury Section of Fine Arts.
- Post Office - Bradenton FLThe historic post office at 9th Street and Manatee Avenue in Bradenton, Florida was constructed in 1936 with Treasury Department funds. Interestingly, unlike other post office construction projects, the Works Progress Administration (WPA) seems to have played a part. The post office cornerstone bears a date of 1935; other articles suggest construction began Jan. 1936, while the post office entered into service in early 1937. Per The Bradenton Herald: Postoffice Work Resumed And Sneads Island Project Underway Construction jobs in Manatee county on which 32 men are employed, were started this morning ... resumption of the work of rebuilding the Bradenton postoffice...
- Post Office - Bradley ILThe stately post office in Bradley, Illinois was built in 1937-8 with Treasury Department funds. The historic building is still in service.
- Post Office - Brady TXConstructed by the Treasury in 1936.
- Post Office - Brawley CAThe stunning New Deal-era post office in Brawley, California was constructed in 1938 with Treasury Department funds. The building is still in service.
- Post Office - Breckenridge MNThe historic post office in Breckenridge, Minnesota was constructed in 1937 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Breckenridge TXThe post office was constructed in 1934. The style is reminiscent of the Spanish Colonial style found throughout Texas.
- Post Office - Bremerton WAConstructed in 1937 through the U.S. Treasury Department.
- Post Office - Bridgeport OHThe historic Bridgeport, Ohio post office was constructed in 1938-9 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Bridgeville PAThe historic Bridgeville post office was constructed in 1938 with federal Treasury Department funds. The building is still in service.
- Post Office - Bristow OKThe historic Bristow post office building as constructed with federal Treasury Department funds. The building was completed in 1935 and is still in use today. Additional contributor notes: "The Bristow post office is a one-story building with a stucco finish, in a Mediterranean style. The flat roof has a tile coping and narrow roof on the projected entrance bay. The entrance is centered on the facade and has two glass doors. The entrance is flanked by two nine-over-nine double hung windows and the three openings have large segmented fanlights. The outer bays have a single un-arched window. A handicap ramp has...
- Post Office - Brockport NYThe Post Office in Brockport, New York was built in 1940 as the village's post office. It is still in use. The cornerstone indicates that it was a project of the Federal Works Agency. Historic photographs of the building include the name of the contractor.
- Post Office - Bronson MIThe historic post office in Bronson, Michigan 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 - Bronxville NYThe historic post office building in Bronxville, New York, was built in 1937-8 and was "designed by consulting architect Eric Kebbon (1891–1964) for the Office of the Supervising Architect. It is a 1 1⁄2-story building faced with brick and trimmed in limestone in the Colonial Revival style. The front façade features six extremely flat limestone pilasters that flank the central entrance." (Wikipedia) The facility, which houses an example of New Deal artwork, is still in service.
- Post Office - Brookfield ILThe post office in Brookfield was constructed in 1935 under the supervision of architect Louis A. Simon and engineer Neal A. Melick.
- Post Office - Brookline MAThe historic Brookline branch post office was constructed ca. 1934-5 with federal Treasury Department funds. The building is still in service.
- Post Office - Brownsville PAThe historic post office building in Brownsville, Pennsylvania was constructed with federal Treasury funds between 1935 and 1936. The building, which houses a New Deal mural inside, is still in use today.
- Post Office - Bryan OHThe historic post office in Bryan, Ohio was constructed in 1935 with federal Treasury Department funds. The building is still in operation.
- Post Office - Bryn Mawr PAThe historic post office in Bryn Mawr, Pennsylvania was constructed in 1933 with federal Treasury Department funds. It is still in use today.
- Post Office - Buchanan MIThe historic post office in Buchanan, Michigan was constructed in 1940 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Buhl IDThe historic post office in Buhl, Idaho was constructed in 1939 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Bunkie LAThe historic post office in Bunkie, 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 - Burgettstown PAThe historic post office in Burgettstown, Pennsylvania was constructed with federal Treasury Department funds ca. 1941. It is still in use today.
- Post Office - Burley IDThe historic Burley post office was constructed with Treasury Department funds in 1935. The facility's cornerstone was laid May 22, 1935. Renovations and expansion have modified the appearance of the building over time. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Burlington KSThe historic post office in Burlington, Kansas was constructed in 1940-1 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Bushnell ILThe Bushnell post office was constructed by the Treasury Department in 1936.
- Post Office - Caldwell KSThe historic post office in Caldwell, Kansas was constructed in 1939 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in use today.
- Post Office - Caldwell NJThe post office in Caldwell, New Jersey was constructed with federal funds in 1933. The building is still in use today. A New Deal-funded plaster lunette, titled “Sorting the Mail," hangs in the lobby. It was made by Brenda Putnam in 1937.
- Post Office - Caldwell OHThe historic post office in Caldwell, Ohio was constructed in 1936-7 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service today.
- Post Office - Caledonia MNThe historic post office in Caledonia, Minnesota was built in 1939 with Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - California MOThe historic post office in California, Missouri was constructed in 1938 with Treasury Department funds. The building is still in service.
- Post Office - California PAThe historic post office in California, Pennsylvania was constructed in 1938 with federal Treasury Department funds. The building, which houses an example of New Deal artwork, is still in service.
- Post Office - Calumet MIThe historic post office in Calumet, Michigan was constructed by the US Treasury Department ca. 1939. It is still in use today. The lobby is intact and contains a New Deal mural by Joe Lasker.