Last updated: April 1, 2015

    Contact the Park

    Mailing Address:

    New Castle Court House Museum
    Attn: First State NHP
    211 Delaware Street

    New Castle , DE 19720

    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 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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