Contact Ohio Northern University
Connect with Campus Administrators, Campus Security, and More
When you stay at The Inn at ONU, you have prime access to campus offerings. Use the information below to contact Ohio Northern University and connect with ONU faculty, campus security, administrators and more. We look forward to welcoming you to the Ohio Northern University campus.
Ohio Northern University
525 South Main Street
Ada OH 45810
Phone: (419) 772-2000
Ohio Northern University Office of Alumni Affairs
Alumni House
115 West Lima Avenue
Ada, OH 45810
Phone: (419) 772-2727
Toll-Free: (866) ONU-ALUM
Getty College of Arts & Sciences
Dukes Memorial 207
525 South Main Street
Ada, OH 45810
Phone: (419) 772-3566
Fax: (419) 772-2622
James F. Dicke College of Business Administration
Dicke Hall 119
525 South Main Street
Ada, OH 45810
Phone: (419) 772-2070
T.J. Smull College of Engineering
Biggs Engineering Building
525 South Main Street
Ada, OH 45810
Phone: (419) 772-2371
Rudolph H. Raabe College of Pharmacy
Robertson-Evans Pharmacy 132
525 South Main Street
Ada, OH 45810
Phone: (419) 772-2275
Law Admissions Office
Ohio Northern University College of Law
Tilton Hall of Law, Room #119
525 South Main Street
Ada, OH 45810
Phone: (419) 772-2211
Toll-free: (877) 452-9668
Fax: (419) 772-3042