This is the Earth Resources Obs ZIP Code page. Earth Resources Obs is a city name in Earth Resources Obs, South Dakota, United States. The city name is designated by USPS, it could be a city, town,village school name, etc.
| post code | city | state | latitude | longitude |
|---|---|---|---|---|
| 56037 | Earth Resources Obs | SD | 44.003514 | -94.071029 |