S postcode area
The S area holds 51 districts and 34,520 live postcodes; its largest place is Sheffield.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| S1 | 520 | Sheffield |
| S2 | 979 | — |
| S3 | 531 | — |
| S4 | 299 | Burngreave |
| S5 | 1,052 | — |
| S6 | 1,235 | — |
| S7 | 302 | Nether Edge |
| S8 | 852 | — |
| S9 | 707 | — |
| S10 | 927 | — |
| S11 | 660 | Fulwood |
| S12 | 655 | — |
| S13 | 591 | — |
| S14 | 183 | — |
| S17 | 366 | — |
| S18 | 594 | Dronfield |
| S20 | 635 | Beighton |
| S21 | 467 | Killamarsh |
| S25 | 505 | Dinnington |
| S26 | 548 | Kiveton Park |
| S32 | 206 | Hathersage |
| S33 | 168 | High Peak |
| S35 | 891 | Chapeltown |
| S36 | 764 | Stocksbridge |
| S40 | 1,084 | Walton |
| S41 | 1,003 | Chesterfield |
| S42 | 850 | Wingerworth |
| S43 | 1,113 | Staveley |
| S44 | 626 | Bolsover |
| S45 | 517 | Pilsley |
| S49 | 8 | — |
| S60 | 1,114 | Rotherham |
| S61 | 869 | — |
| S62 | 620 | Rawmarsh |
| S63 | 1,160 | Wath upon Dearne |
| S64 | 682 | Mexborough |
| S65 | 831 | — |
| S66 | 1,099 | Maltby |
| S70 | 1,291 | Barnsley |
| S71 | 1,223 | Royston |
| S72 | 715 | Cudworth |
| S73 | 757 | Wombwell |
| S74 | 521 | Hoyland Nether |
| S75 | 1,345 | Darton |
| S80 | 1,035 | Worksop |
| S81 | 1,108 | Woodsetts |
| S95 | 28 | — |
| S96 | 14 | — |
| S97 | 39 | — |
| S98 | 196 | — |
| S99 | 35 | — |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.