Atlantic Mayor proclaimed that trick or treating in Atlantic will on Thursday, Oct. 31 from 5:30 until 7:30 p.m. city-wide, with Downtown Trick-or-Treating from 3:30-to 5-p.m. The Atlantic News Telegraph’s annual Costume Contest will begin with registration in city park starting at 3:45 p.m. Judging will begin promptly at 4:10 p.m. Categories will be ages 0-6, 7-12 and 13 and up and there will be prizes in each category along with a treat for participating.