Where is Canada Post? It is located at Canada Post 4502 Durham Regional Hwy 2, Newtonville, ON L0A 1J0, Canada. You can get directions for Canada Post, who is in the Post office category. You can find up-to-date information on 4502 Durham Regional Hwy 2, Newtonville, ON L0A 1J0, Canada Post office companies on our website.