Wilmington, DE

ZIP code 19890 is located in Wilmington, Delaware. This area is known for being the home of the DuPont Company headquarters, a major chemical company. Other notable landmarks in the 19890 ZIP code include the Brandywine Creek State Park, offering outdoor recreational activities such as hiking and picnicking, and the Hagley Museum and Library, which showcases the history of the DuPont family and their industrial legacy.