According to our records, this business is located at P.O. BOX 4497 in Wilmington (in New Castle County), Delaware 19807, the location GPS coordinates are: 39.7390721 (latitude), -75.5397878 (longitude). Dean Witter is categorized under Securities (SIC code 6211). Known organization manager is Donald Didoeato. You can contact the company by phone at (302) 573-4089.