Average GPS coordinates for Champaign Postcode location: 40.124, -88.26. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Champaign on map:

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Listing cities & postcodes (6):
>> Illinois, 61820 Champaign, Champaign, GPS coordinates: 40.111,-88.2407
>> Illinois, 61821 Champaign, Champaign, GPS coordinates: 40.1073,-88.2788
>> Illinois, 61822 Champaign, Champaign, GPS coordinates: 40.1317,-88.2854
>> Illinois, 61824 Champaign, Champaign, GPS coordinates: 40.1399,-88.1961
>> Illinois, 61825 Champaign, Champaign, GPS coordinates: 40.1399,-88.1961
>> Illinois, 61826 Champaign, Champaign, GPS coordinates: 40.1131,-88.3613