Map for Otterbein University Map for Otterbein University Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> Schools - Colleges, Universities & Professional Otterbein University 1 South Grove StreetWesterville, OH 43081 | directions (614) 823-1305 | fax: (614) 823-3114 Visit Site Need to update your categories or expand your listing? Or want to learn how your business can become a part of the Chamber? Contact us at membership@columbus.org for assistance.