Cell Phone Stores in Ontario, Canada Find an Ontario cell phone store or retailer in a city near you. Ontario Store Locations by City Barrie Kitchener Peterborough Belleville London Pickering Brampton Markham Richmond Hill Brantford Mississauga Scarborough Burlington Nepean St. Catharines Cambridge Newmarket Sudbury Etobicoke North York Thunder Bay Guelph Oakville Toronto Hamilton Oshawa Waterloo Kingston Ottawa Windsor