| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 57301 | Mitchell | Davison County | Standard |
| 57311 | Alexandria | Hanson County | Standard |
| 57319 | Bridgewater | Mccook County | Standard |
| 57321 | Canova | Miner County | Standard |
| 57332 | Emery | Hanson County | Standard |
| 57334 | Ethan | Davison County | Standard |
| 57340 | Fulton | Hanson County | Standard |
| 57359 | Letcher | Sanborn County | Standard |
| 57363 | Mount Vernon | Davison County | Standard |
| 57374 | Spencer | Mccook County | Standard |