Subway Sandwiches & Salads – Sarnia – Confederation St. Fast food restaurant. Contact Info Phone: 519-337-1372 Location 1030 Confederation Street Unit: Unit 7 Sarnia, ON N7T 5P5 View Map Online www.subway.com P/T Employees: 3 F/T Employees: 1 Key Contact: -- NAICS Code: 72221 - Limited-Service Restaurants Site Selector Map: View location