Average GPS coordinates for Elco Postcode location: 37.3, -89.266. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Elco on map:

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Listing cities & postcodes (1):
>> Illinois, 62929 Elco, Alexander County, GPS coordinates: 37.3004,-89.2657