Jackson Hewitt Tax Service 199 Main St, East Haven, CT06512 Jackson Hewitt is a tax preparation service with locations throughout the United States. The services offered include…More general tax preparation and services as well as IRS processing. This location is closed at the end of the tax season but opens at the beginning of each year. Call the main office at the number provided with inquiries, comments and concerns. Visit Jackson Hewitt's website for more information and a directory of locations.