| Locality | Post Code |
|---|---|
| Auxvasse, Callaway | 65231 |
| Bachelor, Callaway | 65231 |
| Calwood, Callaway | 65251 |
| Carrington, Callaway | 65251 |
| Dixie, Callaway | 65063 |
| Fulton, Callaway | 65251 |
| Guthrie, Callaway | 65063 |
| Hatton, Callaway | 65231 |
| Holts Summit, Callaway | 65043 |
| Kingdom City, Callaway | 65262 |
| Lake Mykee, Callaway | 65043 |
| Lake Mykee Town, Callaway | 65043 |
| Martinsburg, Callaway | 65264 |
| Millersburg, Callaway | 65251 |
| Mokane, Callaway | 65059 |
| New Bloomfield, Callaway | 65063 |
| Portland, Callaway | 65067 |
| Readsville, Callaway | 65067 |
| Reform, Callaway | 65077 |
| Steedman, Callaway | 65077 |
| Tebbetts, Callaway | 65080 |
| Wainwright, Callaway | 65043 |
| Williamsburg, Callaway | 63388 |