| Locality | Post Code |
|---|---|
| Arnolds Park, Dickinson | 51331 |
| Crandalls Lodge, Dickinson | 51360 |
| Egralharve, Dickinson | 51360 |
| Lake Park, Dickinson | 51347 |
| Methodist Camp, Dickinson | 51360 |
| Milford, Dickinson | 51351 |
| Montgomery, Dickinson | 51360 |
| Okoboji, Dickinson | 51355 |
| Old Town, Dickinson | 51351 |
| Orleans, Dickinson | 51360 |
| Spirit Lake, Dickinson | 51360 |
| Superior, Dickinson | 51363 |
| Templar Park, Dickinson | 51360 |
| Terril, Dickinson | 51364 |
| Triboji Beach, Dickinson | 51360 |
| Wahpeton, Dickinson | 51360 |
| West Okoboji, Dickinson | 51351 |