Harrisburg Area Halloween Happenings Trick-or-Treat: Camp Hill Thursday October 27 from 6-8pm East Hanover Thursday October 27 from 6-8pm Hershey Monday October 31 from 6-8pm Hummelstown Thursday October 27 from 6-8pm Lower Paxton Thursday October 27 from 6-8pm Middletown Thursday October 27 from 6-8pm Palmyra Monday October 31 from 6-8pm Paxtang Thursday October 27 from 6-8pm South Hanover Thursday October 27 from 6-8pm Swatara Twp (2 comments)