Oacoma Area Code - South Dakota, Lyman, SD
| City | Oacoma |
| State | South Dakota |
| Zip Code | 57365 |
| Area Code | 605 |
| County | Lyman |
| State Code | SD |
| Time Zone | CST |
| Longitude | -99.3958338252 |
| Latitude | 43.8448732601 |
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