The postal code of Sarnia which is listed in our database is N7S 1Z6. Our records often include geographical coordinates of Sarnia and it's corresponding postal code. In the result box below, you can find the postal code of Sarnia and it's location on the map if we have the location information available. Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results. All kinds of additional information we have on Sarnia may also be present such as geographical data, historical records or news about Sarnia and N7S 1Z6 in general.