| Locality | Post Code |
|---|---|
| Augusta, Carroll | 44607 |
| Carrollton, Carroll | 44615 |
| Dellroy, Carroll | 44620 |
| Harlem Springs, Carroll | 44615 |
| Kilgore, Carroll | 44615 |
| Leesville, Carroll | 44639 |
| Magnolia, Carroll | 44643 |
| Malvern, Carroll | 44644 |
| Mechanicstown, Carroll | 44651 |
| Minerva, Carroll | 44657 |
| New Harrisburg, Carroll | 44615 |
| Oneida, Carroll | 44644 |
| Scroggsfield, Carroll | 44615 |
| Sherrodsville, Carroll | 44675 |