Average GPS coordinates for Freeport Postcode location: 42.299, -89.635. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Freeport on map:

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Listing cities & postcodes (1):
>> Illinois, 61032 Freeport, Stephenson, GPS coordinates: 42.2991,-89.6345