Average GPS coordinates for Blue Grass Postcode location: 41.511, -90.738. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Blue Grass on map:

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Listing cities & postcodes (1):
>> Iowa, 52726 Blue Grass, Scott, GPS coordinates: 41.5112,-90.738