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New Castle Court House Museum
Attn: First State NHP
211 Delaware Street
New Castle, DE19720
Phone:
(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.