According to our records, this business is located at 298 E Main St. in Middletown (in New Castle County), Delaware 19709, the location GPS coordinates are: 39.4495251 (latitude), -75.70773 (longitude). Middletown Post Office is categorized under Post Offices (SIC code 4311). Known organization manager is Robert Essick. You can contact the company by phone at (302) 378-9585.