| Locality | Post Code |
|---|---|
| Albert Lea, Freeborn | 56007 |
| Alden, Freeborn | 56009 |
| Clarks Grove, Freeborn | 56016 |
| Conger, Freeborn | 56020 |
| Emmons, Freeborn | 56029 |
| Freeborn, Freeborn | 56032 |
| Geneva, Freeborn | 56035 |
| Glenville, Freeborn | 56036 |
| Hartland, Freeborn | 56042 |
| Hayward, Freeborn | 56043 |
| Hollandale, Freeborn | 56045 |
| London, Freeborn | 56036 |
| Manchester, Freeborn | 56007 |
| Myrtle, Freeborn | 56036 |
| Oakland, Freeborn | 56007 |
| Twin Lakes, Freeborn | 56089 |