Central Oregon Community College's Halloween Hall 2012. Calling all little Trick-or-Treators in Central Oregon! There will be free Trick-or-Treating at COCC's Halloween Hall for parents with children 12 and under, looking for a safe, warm, and fun place to Trick or Treat. Halloween Hall will be at Juniper Hall on the Central Oregon Community College Campus. Admission is free and Trick-or-Treating will start at 6pm and close at 8pm. For more information, call 541-383-7593.