Sectors in S40
| Sector | Main place | Postcodes |
|---|---|---|
| S40 1 | Chesterfield | 175 |
| S40 2 | Chesterfield | 291 |
| S40 3 | Chesterfield | 231 |
| S40 4 | Chesterfield | 306 |
| S40 9 | Chesterfield | 81 |
Places covered by S40
- Chesterfield Chesterfield · 1,080
S40 postcodes: Chesterfield
S40 is a postcode district in the S area (Sheffield). It has 5 sectors and 1,084 live postcodes, mainly in Chesterfield (Chesterfield).