Landline Home Phone Service in 57750, Interior
57750 Zip Code
| City: | Interior |
| State: | SD |
| County: | Jackson County |
| Area Codes: | 605 |
| Latitude: | 43.72 |
| Longitude: | -101.98 |
| Time Zone: | America/Denver |
| Population in 2010: | 295 |
| School District: | Kadoka School District 35-2 |
| District Code: | 80437 |