Ohio Expo Center & State Fair 717 E 17th Ave. Columbus, OH 43211 Dates and Times: Wednesday, August 21 8:00 a.m. to 2:00 p.m. Thursday, August 22 8:00 a.m. to […]
Expo Times: Monday: 9/9 — 11:30am — 4:00pm Tuesday: 9/10 — 11:00am — 2:00pm
Greater Columbus Convention Center 400 N High St. Columbus, OH 43215
Molly Caren Agricultural Center 135 OH-38 London, OH 43140 Tuesday, September 16 & Wednesday, September 17 8:00am - 5:00pm Thursday, September 18, 2025 8:00am - 4:00pm
800-362-2764 or 811 | General
800-311-3692 | Administration
PO Box 729
12467 Mahoning Ave
North Jackson, OH 44451
The OHIO811 mission is to eliminate damage to member facilities and promote public safety by providing an efficient and effective communication and education process.
