| Locality | Post Code |
|---|---|
| Bon Wier, Newton | 75928 |
| Burkeville, Newton | 75932 |
| Call, Newton | 75933 |
| Deweyville, Newton | 77614 |
| Farrsville, Newton | 75977 |
| Indian Hill, Newton | 75977 |
| Jamestown, Newton | 75977 |
| Mattox, Newton | 75977 |
| Mayflower, Newton | 75977 |
| Newton, Newton | 75966 |
| Old Salem, Newton | 75933 |
| Shankleville, Newton | 75932 |
| Sycamore, Newton | 75932 |
| Toledo, Newton | 75932 |
| Trout Creek, Newton | 75933 |
| Wiergate, Newton | 75977 |