| Sr. No. | City |
|---|---|
| 501 | STOKE ON TRENT |
| 502 | STOKESLEY |
| 503 | STORRINGTON |
| 504 | STOURBRIDGE |
| 505 | STOURPORT-ON-SEVERN |
| 506 | STOWMARKET |
| 507 | STRATFORD |
| 508 | STRATFORD CITY |
| 509 | STRATFORD UPON AVON |
| 510 | STREET |
| 511 | STRETFORD |
| 512 | STROOD |
| 513 | STROUD |
| 514 | SUDBURY |
| 515 | SUFFOLK |
| 516 | SUNDERLAND |
| 517 | SURBITON |
| 518 | SURREY |
| 519 | SUTTON |
| 520 | SUTTON COLDFIELD |
| 521 | SWADLINCOTE |
| 522 | SWANSEA |
| 523 | SWINDON |
| 524 | SYSTON |
| 525 | TAMWORTH |