The U.S. Post Office (also known as the Open Air Post Office) at 400 First Avenue North in St. Petersburg, Florida is a historic building. On April 4, 1975, it was added to the U.S. National Register of Historic Places.
See also List of United States post offices
References
External links Pinellas County listings at National Register of Historic Places Florida's Office of Cultural and Historical Programs Pinellas County listings U.S. Open Air Post Office Open Air Post Office (United States Postal Service)