Subway Sandwiches & Salads – Sarnia – London Rd. Fast food restaurant. Contact Info Phone: 519-383-1155 Location 1273 London Road Unit: 1, Building B Sarnia, ON N7S 1P3 View Map Online www.subway.com P/T Employees: 5 Key Contact: -- NAICS Code: 72221 - Limited-Service Restaurants Site Selector Map: View location