Town of Hamden, NY Website Hamden is located in the center of Delaware County in the beautiful Catskill Mountains of Upstate New York. Rich in history and scenery, it is a perfect place for small-t

United States Postal Service 35866 State Highway 10 Hamden, NY 13782 Phone: (800) 275-8777 Business Hours: Monday 8:30–11:30AM, 12:30–3:30PM Tuesday 8:30–11:30AM, 12:30–3:30PM Wednesday