According to our records, this business is located at 424 Delaware St. in New Castle (in New Castle County), Delaware 19720, the location GPS coordinates are: 39.66083 (latitude), -75.565965 (longitude). New Castle Public Library is categorized under Federal Government Libraries (SIC code 8231). You can contact the company by phone at (302) 328-1995; the following fax number is also provided: (302) 328-4412.