Average GPS coordinates for Waterloo Postcode location: 43.183, -88.984. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Waterloo on map:

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Listing cities & postcodes (1):
>> Wisconsin, 53594 Waterloo, Jefferson, GPS coordinates: 43.1832,-88.9838