Port Jefferson Village Contacts The Incorporated Village of Port Jefferson Village Hall is located at:121 West BroadwayPort Jefferson, NY 11777 The hours of operation are Monday – Friday 9am to 4:30pm. Their main phone number is 631-473-4724.View all updated contacts for The Incorporated Village of Port Jefferson HERE.Click below to view contact information for departments/people relevant to opening a business in Port Jefferson, NY.Department of BuildingFire MarshallCode Enforcement