S - Sheffield
The postal area S (Sheffield) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within S - Sheffield
| Country | Post Town | Postal District |
| England | Sheffield | S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 |
| Dronfield | S18 | |
| Sheffield | S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 |
|
| Chesterfield | S40 S41 S42 S43 S44 S45 |
|
| Rotherham | S60 S61 S62 S63 |
|
| Mexborough | S64 | |
| Rotherham | S65 S66 |
|
| Barnsley | S70 S71 S72 S73 S74 S75 |
|
| Worksop | S80 S81 |
