| Code | Name | Region |
|---|---|---|
| ZASNN | Sunninghill | GP |
| ZASYD | Sunnyridge | EC |
| ZAZEY | Suurbekom | GT |
| ZASWK | Swartklip | LP |
| ZASWS | Swartkops | EC |
| ZASWG | Swartruggens | NW |
| ZASWE | Swellendam | |
| ZASDH | Sydenham | EC |
| ZASYH | Sydenham | KZN |
| ZATVW | Table View | WC |
| ZATDT | Tanda Tula | |
| ZATLT | Tarlton | GT |
| ZATMB | Tembisa | GP |
| ZATCU | Thaba Nchu | |
| ZAZEV | Soweto | GT |
| ZASPA | Sparks | KZN |
| ZASBU | Springbok | |
| ZAZEQ | Springfield | EC |
| ZASPR | Springs | |
| ZASHL | Stamford Hill | KZN |
| ZASTC | Standerton | MP |
| ZASFD | Stanford | WC |
| ZASGR | Stanger | |
| ZASTP | Steelpoort | MP |
| ZASNG | Steenberg | WC |
| ZASLB | Stellenberg | WC |
| ZASTH | Stellenbosch | |
| ZAZET | Stikland | WC |
| ZASBI | Stilbaai | WC |
| ZASFT | Stilfontein | GP |
| ZAZEX | Stompneus | WC |
| ZASTD | Strand | WC |
| ZASTR | Struandale | EC |
| ZAAVL | Strubenvale | GP |
| ZASEL | Selby | GT |
| ZASHG | Seshego | NC |
| ZAZE4 | Sezela | KZN |
| ZASKR | Shaka's Rock | FS |
| ZASHR | Shaka's Rock | KZN |
| ZASHS | Shakaskraal | |
| ZASHO | Shongweni | NL |
| ZASID | Sidwell | EC |
| ZASTN | Silverton | |
| ZAZES | Simondium | WC |
| ZASMN | Simon's Town | WC |
| ZASLW | Sir Lowry's Pass Village | WC |
| ZASIS | Sishen | |
| ZASZK | Skukuza | |
| ZASLU | Slurry | NW |
| ZAZBX | Somerset East | EC |