Post Offices List in Brookings County, South Dakota:
| Aurora Post Office | 219 N Broadway St, Aurora, SD 57002 |
| Brookings Post Office | 500 Main Ave, Brookings, SD 57006 |
| Bruce Post Office | 508 Jefferson St, Bruce, SD 57220 |
| Elkton Post Office | 207 Elk St, Elkton, SD 57026 |
| Sinai Post Office | 301 Main Ave, Sinai, SD 57061 |
| Volga Post Office | 125 W 3rd St, Volga, SD 57071 |
| White Post Office | 311 W Main St, White, SD 57276 |