| Locality | Post Code |
|---|---|
| Artesian, Bremer | 50677 |
| Bremer, Bremer | 50677 |
| Buckcreek, Bremer | 50674 |
| Denver, Bremer | 50622 |
| Fairbank, Bremer | 50629 |
| Finchford, Bremer | 50647 |
| Fredericksburg, Bremer | 50630 |
| Frederika, Bremer | 50631 |
| Horton, Bremer | 50677 |
| Ionia, Bremer | 50645 |
| Janesville, Bremer | 50647 |
| Klinger, Bremer | 50668 |
| Knittel, Bremer | 50668 |
| Murphy, Bremer | 50677 |
| Plainfield, Bremer | 50666 |
| Readlyn, Bremer | 50668 |
| Sumner, Bremer | 50674 |
| Tripoli, Bremer | 50676 |
| Waverly, Bremer | 50677 |