Average GPS coordinates for Beloit Postcode location: 42.616, -89.079. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Beloit on map:

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Listing cities & postcodes (2):
>> Wisconsin, 53511 Beloit, Rock, GPS coordinates: 42.562,-89.086
>> Wisconsin, 53512 Beloit, Rock, GPS coordinates: 42.6698,-89.0728