Map for Jefferson County Fair Association, Inc. Map for Jefferson County Fair Association, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Family, Community & Non-Profit >> NonProfit Organizations Jefferson County Fair Association, Inc. P.O. Box 208Jefferson City , TN 37760 | directions (865) 680-4456 Visit Site If your business isn't here and you are a Jefferson County Chamber Member or want to become a Jefferson County Chamber Member, please contact us today!