| Locality | Postal Code |
|---|---|
| Andover, Butler | 67002 |
| Atlanta, Butler | 67008 |
| Augusta, Butler | 67010 |
| Beaumont, Butler | 67012 |
| Benton, Butler | 67017 |
| Burns, Butler | 66840 |
| Cassoday, Butler | 66842 |
| Douglass, Butler | 67039 |
| El Dorado, Butler | 67042 |
| Elbing, Butler | 67041 |
| Latham, Butler | 67072 |
| Leon, Butler | 67074 |
| Potwin, Butler | 67123 |
| Rosalia, Butler | 67132 |
| Rose Hill, Butler | 67133 |
| Towanda, Butler | 67144 |
| Whitewater, Butler | 67154 |