Average GPS coordinates for Forreston Postcode location: 42.123, -89.583. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Forreston on map:

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Listing cities & postcodes (1):
>> Illinois, 61030 Forreston, Ogle, GPS coordinates: 42.1229,-89.5831