History & Culture - First State National Historical Park

Explore the history of the one or all seven sites that make up First State National Historical Park, and discover how each story connects to tell the unique history of first settlement in Delaware through ratifying the U.S. Constitution becoming the first state.


Last updated: March 20, 2018

Contact the Park

Mailing Address:

New Castle Court House Museum
211 Delaware Street

New Castle, DE 19720


(302) 544-6363
This phone number is not staffed. You can leave a message on the park's main phone number (302-544-6363) and we will return your call as soon as possible. If you are visiting one of the seven sites, and need specific information, please refer to the "Places to Go" page for phone numbers and addresses of each site.

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