What is charlestown mass zip code?

The zip code for Charlestown, Massachusetts is 02129. Charlestown is a neighborhood located in the northern part of Boston, situated on the banks of the Mystic River and the Boston Harbor. It is known for its historic buildings and landmarks, including the Bunker Hill Monument and the USS Constitution Museum. The area is also home to several parks, schools, and restaurants, as well as being accessible via multiple public transportation options.