Average GPS coordinates for Sarnia Central Postcode location: 42.989, -82.359. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Sarnia Central on map:

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Listing cities & postcodes (1):
>> Ontario, N7S Sarnia Central, GPS coordinates: 42.9888,-82.3592