Average GPS coordinates for Keystone Postcode location: 42.016, -92.218. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Keystone on map:
Listing cities & postcodes (1):
>> Iowa, 52249 Keystone, Benton, GPS coordinates: 42.0156,-92.2179
Listing cities & postcodes (1):
>> Iowa, 52249 Keystone, Benton, GPS coordinates: 42.0156,-92.2179
