Explore, Learn, & Engage with First State!

Discover the stories, people, and events that helped shape this nation, give Delaware the name "First State" and much more! 

We are currently working on updating our website to contain lesson plans, field trip information and other materials. Please conintue to check back for updated materials.

Last updated: April 6, 2021

Contact the Park

Mailing Address:

New Castle Court House Museum
Attn: First State NHP
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 six 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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