| Locality | Postal Code |
|---|---|
| Altoona, Eau Claire | 54720 |
| Augusta, Eau Claire | 54722 |
| Brackett, Eau Claire | 54742 |
| Caryville, Eau Claire | 54701 |
| Eau Claire, Eau Claire | 54701, 54702, 54703 |
| Fairchild, Eau Claire | 54741 |
| Fall Creek, Eau Claire | 54742 |
| Hallie, Eau Claire | 54703 |