Average GPS coordinates for Herrick Postcode location: 43.101, -99.217. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Herrick on map:

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Listing cities & postcodes (1):
>> South Dakota, 57538 Herrick, Gregory, GPS coordinates: 43.1012,-99.2173