57239 Zip Code
| City: | Grenville |
| State: | SD |
| County: | Day County |
| Area Codes: | 605 |
| Latitude: | 45.46 |
| Longitude: | -97.38 |
| Time Zone: | America/Chicago |
| Population in 2010: | 223 |
| School District: | Roslyn School District 18-2 |
| District Code: | 63400 |
| City: | Grenville |
| State: | SD |
| County: | Day County |
| Area Codes: | 605 |
| Latitude: | 45.46 |
| Longitude: | -97.38 |
| Time Zone: | America/Chicago |
| Population in 2010: | 223 |
| School District: | Roslyn School District 18-2 |
| District Code: | 63400 |
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