- Main Post Office (former) Addition and Improvements - Stamford CTStamford's old main post office (which was later renamed the Atlantic Street Station post office) was constructed 1915-1917 and was a unique design. Additional improvements were made with federal funding in the 1939-41. The building was listed on the National Register of Historic Places (NRHP) in 1985. It has since been sold to private developers, and is now part of a larger mixed-use development. The NRHP nomination explains: "A major addition was constructed in 1939, to the rear, doubling the size of the facility and providing additional work space. The rear structure is sympathetic in detailing and only slightly less elaborate in...