Average GPS coordinates for Guttenberg Postcode location: 42.759, -91.119. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Guttenberg on map:

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Listing cities & postcodes (1):
>> Iowa, 52052 Guttenberg, Clayton, GPS coordinates: 42.7594,-91.119