| Locality | Post Code |
|---|---|
| Apple River, Jo Daviess | 61001 |
| East Dubuque, Jo Daviess | 61025 |
| Elizabeth, Jo Daviess | 61028 |
| Galena, Jo Daviess | 61036 |
| Hanover, Jo Daviess | 61041 |
| Menominee, Jo Daviess | 61025 |
| Nora, Jo Daviess | 61059 |
| Scales Mound, Jo Daviess | 61075 |
| Stockton, Jo Daviess | 61085 |
| Warren, Jo Daviess | 61087 |
| Woodbine, Jo Daviess | 61028, 61085 |