| Code | Name | Region |
|---|---|---|
| GBSST | Shenstone | STS |
| GBNNE | Shenstone | WOR |
| GBSHP | Shepherds Bush | HMF |
| GBSPP | Shepperton | SRY |
| GBSPD | Shepshed | LEC |
| GBSHM | Shepton Mallet | SOM |
| GBSHR | Sherborne | DOR |
| GBSPU | Sherbourne | WAR |
| GBSBN | Sherburn | DUR |
| GBSB3 | Sherburn | NYK |
| GBSBL | Sherburn In Elmet | NYK |
| GBSIA | Shere | SRY |
| GBSEG | Sherfield English | HAM |
| GBSFF | Sheriff Hutton | YOR |
| GBSGM | Sheringham | NFK |
| GBSRS | Sherston | WIL |
| GBSHN | Shandon | AGB |
| GBSAI | Shanklin | IOW |
| GBSPY | Shapinsay | ORK |
| GBS6W | Shapwick | SOM |
| GBSRW | Shardlow | LEC |
| GBSRK | Sharnbrook | BDF |
| GBS7X | Sharnford | LEC |
| GBSSS | Sharpness | GLS |
| GBSBM | Sharpthorne | WSX |
| GBSH2 | Sharston | MAN |
| GBSVG | Shavington | CHE |
| GBSHW | Shaw | OLD |
| GBSEZ | Sheen | STS |
| GBSHS | Sheerness | KEN |
| GBSHE | Sheffield | SHF |
| GBSHF | Shefford | BDF |
| GBEIL | Sheildaig | |
| GBSDQ | Sheldon | BIR |
| GBSEW | Sheldwich | KEN |
| GBSLF | Shelf | CLD |
| GBSGI | Seghill | NBL |
| GBSGH | Seighford | STS |
| GBEBR | Selborne | HAM |
| GBSLB | Selby | NYK |
| GBSKK | Selkirk | SCB |
| GBZCW | Selly Oak | BIR |
| GBSEO | Selsdon | CRY |
| GBSSY | Selsey | WSX |
| GBSEX | Selston | NTT |
| GBSEY | Semley | WIL |
| GBSEB | Send | SRY |
| GBSDD | Senghenydd | CAY |
| GBSNC | Sennen Cove | CON |
| GBSET | Settle | NYK |