Havre de Grace, MD

ZIP code 21078 is located in Havre de Grace, Maryland. This area is home to the Susquehanna Museum at the Lock House, a historic site where visitors can learn about the role of the Susquehanna River in transportation and trade. The Havre de Grace Promenade, a scenic waterfront walkway, offers stunning views of the river and is a popular spot for locals and tourists alike.