State Government in Port Jefferson Station, NY Mental Retardation Office4747 Nesconset HwyPort Jefferson Station, NY, 117766316429631Drivers License OfficeGovernment CityGovernment OfficesUnemployment OfficeUsps United States Post Office Main Office State of New York5 Medical DrPort Jefferson Station, NY, 117766316323070Drivers License OfficeGovernmentUnemployment OfficeUsps United States Post Office Main Office Show More