Average GPS coordinates for Waterloo Postcode location: 42.47, -92.32. (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 (6):
>> Iowa, 50701 Waterloo, Black Hawk, GPS coordinates: 42.4778,-92.3661
>> Iowa, 50702 Waterloo, Black Hawk, GPS coordinates: 42.4731,-92.3365
>> Iowa, 50703 Waterloo, Black Hawk, GPS coordinates: 42.5149,-92.3269
>> Iowa, 50704 Waterloo, Black Hawk, GPS coordinates: 42.4698,-92.3095
>> Iowa, 50706 Waterloo, Black Hawk, GPS coordinates: 42.4156,-92.2703
>> Iowa, 50799 Waterloo, Black Hawk, GPS coordinates: 42.4698,-92.3095