| Locality | Post Code |
|---|---|
| Basehor, Leavenworth | 66007 |
| Bonner Springs, Leavenworth | 66012 |
| Easton, Leavenworth | 66020 |
| Fort Leavenworth, Leavenworth | 66027 |
| Lansing, Leavenworth | 66043 |
| Leavenworth, Leavenworth | 66048 |
| Linwood, Leavenworth | 66052 |
| Tonganoxie, Leavenworth | 66086 |