Rock Creek National Park 3545 Williamsburg Ln Nw Washington, DC 20008 Phone : (202) 895-6000 Rock Creek National Park Business Category Parks & Playgrounds Amusement & Recreation Services           Campground, Cave, Concessions, Food, Rentals, Rides, Sales, Service, Streams, Trade, Used National Park Service--rock Creek Park, Headquarters Washington, DC 20001 Phone : (202) 895-6000 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--land Management Bureau Of, Eastern States Office, National Park Service National Capital Region, Rock Creek Park Headquarters Washington, DC 20001 Phone : (202) 895-6000 Business Category Government Offices & Public Schools