Average GPS coordinates for Shirland Postcode location: 42.325, -89.171. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Shirland on map:

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Listing cities & postcodes (1):
>> Illinois, 61079 Shirland, Winnebago, GPS coordinates: 42.3254,-89.1705