Average GPS coordinates for Oakville Postcode location: 40.079, -85.39. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Oakville on map:

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Listing cities & postcodes (1):
>> Indiana, 47367 Oakville, Delaware, GPS coordinates: 40.0792,-85.39