Tim Hortons – Sarnia – London Rd. Fast food restaurant. Contact Info Phone: 519-383-0661 Fax: 519-383-6268 Location 1258 London Road Sarnia, ON N7S 1P5 View Map Year Established: 1996 P/T Employees: 10 F/T Employees: 35 Key Contact: -- NAICS Code: 722211 - Limited-Service Restaurants Site Selector Map: View location