Average GPS coordinates for Decatur Postcode location: 42.101, -86.034. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Decatur on map:

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Listing cities & postcodes (1):
>> Michigan, 49045 Decatur, Van Buren, GPS coordinates: 42.1012,-86.0338