Average GPS coordinates for Aberdeen Postcode location: 45.528, -98.419. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Aberdeen on map:

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Listing cities & postcodes (2):
>> South Dakota, 57401 Aberdeen, Brown, GPS coordinates: 45.4661,-98.4856
>> South Dakota, 57402 Aberdeen, Brown, GPS coordinates: 45.5896,-98.352