City
| City / Place Name | ZIP | County | State | Longitude | Latitude |
|---|---|---|---|---|---|
| Bonesteel | 57317 | Gregory | South Dakota | -98.988 | 43.0695 |
| Fairfax | 57335 | Gregory | South Dakota | -98.8308 | 43.0351 |
| Burke | 57523 | Gregory | South Dakota | -99.2937 | 43.1825 |
| Dallas | 57529 | Gregory | South Dakota | -99.514 | 43.2351 |
| Gregory | 57533 | Gregory | South Dakota | -99.3622 | 43.2136 |
| Herrick | 57538 | Gregory | South Dakota | -99.2173 | 43.1012 |
| Saint Charles | 57571 | Gregory | South Dakota | -99.0925 | 43.0852 |