| Locality | Postal Code |
|---|---|
| Arkansas City, Cowley | 67005 |
| Atlanta, Cowley | 67008 |
| Burden, Cowley | 67019 |
| Cambridge, Cowley | 67023 |
| Cedar Vale, Cowley | 67024 |
| Dexter, Cowley | 67038 |
| Geuda Springs, Cowley | 67051 |
| Latham, Cowley | 67072 |
| Maple City, Cowley | 67102 |
| Mulvane, Cowley | 67110 |
| New Salem, Cowley | 67156 |
| Oxford, Cowley | 67119 |
| Parkerfield, Cowley | 67005 |
| Rock, Cowley | 67131 |
| Silverdale, Cowley | 67005 |
| Udall, Cowley | 67146 |
| Winfield, Cowley | 67156 |