| Localité | Code postal |
|---|---|
| Bordeaux, McCormick | 29835 |
| Britts, McCormick | 29835 |
| Clarks Hill, McCormick | 29821 |
| Colliers, McCormick | 29838 |
| McCormick, McCormick | 29835 |
| Modoc, McCormick | 29838 |
| Mount Carmel, McCormick | 29840 |
| Parksville, McCormick | 29844, 29845 |
| Plum Branch, McCormick | 29845 |
| Troy, McCormick | 29848 |
| Willington, McCormick | 29835 |