Go back to directory. Add to Address Book. Sylvan Learning Center Sylvan Learning Center Contact: Mike Dunn 347 Covington Drive Waterloo IL 62298 work 347 Covington Drive Waterloo IL 62298 postal Work Phone: (618) 939-2200work Work Fax: (618) 939-2204workfax Website: http://www.educate.com Categories: Education, Tutoring Updated 4 years ago.