| Locality | Post Code |
|---|---|
| Ampthill, Chesterfield | 23234 |
| Beach, Chesterfield | 23832 |
| Bon Air, Chesterfield | 23235 |
| Chester, Chesterfield | 23831, 23836 |
| Chesterfield, Chesterfield | 23832, 23838 |
| Midlothian, Chesterfield | 23112, 23113, 23114 |
| Moseley, Chesterfield | 23120 |
| North Chesterfield, Chesterfield | 23234, 23235, 23236, 23237 |
| Richmond, Chesterfield | 23234, 23235, 23236, 23237, 23297 |
| South Chesterfield, Chesterfield | 23834 |
| Sycamore Square, Chesterfield | 23113 |