| Locality | Post Code |
|---|---|
| Church, Allamakee | 52151 |
| Dalby, Allamakee | 52170 |
| Dorchester, Allamakee | 52140 |
| Egan, Allamakee | 52146 |
| Elon, Allamakee | 52170 |
| Frankville, Allamakee | 52162 |
| Gunder, Allamakee | 52162 |
| Harpers Ferry, Allamakee | 52146 |
| Lansing, Allamakee | 52151 |
| Luana, Allamakee | 52156 |
| Ludlow, Allamakee | 52172 |
| Monona, Allamakee | 52159 |
| New Albin, Allamakee | 52160 |
| Postville, Allamakee | 52162 |
| Village Creek, Allamakee | 52151 |
| Waterville, Allamakee | 52170 |
| Waukon, Allamakee | 52172 |
| Waukon Junction, Allamakee | 52146 |