Average GPS coordinates for Oakdale Postcode location: 38.257, -89.596. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Oakdale on map:

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Listing cities & postcodes (1):
>> Illinois, 62268 Oakdale, Washington, GPS coordinates: 38.2573,-89.596