E
| Town name | Postal code |
| East London | 5201 |
| East London | 5204 |
| East London | 5205 |
| East London | 5206 |
| East London | 5207 |
| East London | 5208 |
| East London | 5209 |
| East London | 5210 |
| East London | 5211 |
| East London | 5212 |
| East London | 5213 |
| East London | 5214 |
| East London | 5216 |
| East London | 5217 |
| East London | 5218 |
| East London | 5219 |
| East London | 5220 |
| East London | 5241 |
| East London | 5247 |
| East London | 5252 |
| East London | 5253 |
| East London | 5259 |
| East London | 5260 |
| East London | 5264 |
| East London | 5265 |
| East London | 5272 |
| East London | 5275 |
| East London | 5284 |
| East London | 5288 |
| East London | 5292 |
| East London | 5688 |
| Eastern Cape | 5740 |
| Eastern Cape | 5900 |
| Edenburg | 9908 |
| Edendale | 3201 |
| Edendale | 3204 |
| Edendale | 3217 |
| Edendale | 3218 |
| Edenvale | 1609 |
| Edenvale | 1611 |
| Edenvale | 1612 |
| Edenvale | 1613 |
| Edenvale | 1614 |
| Edenvale | 1645 |
| Edenville | 9535 |
| Eerste River | 7101 |
| Eerste River | 7102 |
| Eerste River | 7105 |
| Eerste River | 7100 |
| Eerste Rivier | 7100 |
| Eersterivier | 7100 |
| Eersterus | 0022 |
| Ekangala | 1021 |
| Elandsfontein | 1429 |
| Elandskop | 3226 |
| Eldoradopark | 1832 |
| Eldoradopark | 1811 |
| Eldoradopark | 1812 |
| Eldoradopark | 1813 |
| Eldoradopark | 1821 |
| Elliot | 5460 |
| Elliotdale | 5070 |
| Elliotdale | 5072 |
| Elliotdale | 5073 |
| Elliotdale | 5075 |
| Elliotdale | 5118 |
| Ellisras | 0531 |
| Ellisras | 0532 |
| Ellisras | 0533 |
| Ellisras | 0534 |
| Ellisras | 0536 |
| Ellisras | 0555 |
| Ellisras | 0556 |
| Ellisras | 0557 |
| Elsburg | 1409 |
| Elsburg | 1428 |
| Elsies River | 7490 |
| Elsiesrivier | 7490 |
| Elspark | 7764 |
| Embalenhle | 2285 |
| Emerald Hill | 6070 |
| Emerald Hill | 6011 |
| Emondlo | 3101 |
| Empangeni | 3875 |
| Empangeni | 3879 |
| Empangeni | 3880 |
| Empangeni | 3881 |
| Empangeni | 3882 |
| Empangeni | 3884 |
| Empangeni | 3900 |
| Empangeni | 3910 |
| Empangeni | 3920 |
| Empangeni | 3965 |
| Empangeni | 3970 |
| Empumalanga | 0458 |
| Engcobo | 5050 |
| Engcobo | 5051 |
| Engcobo | 5052 |
| Engcobo | 5054 |
| Engcobo | 5055 |
| Engcobo | 5056 |
| Engcobo | 5057 |
| Engcobo | 5058 |
| Ennerdale | 1824 |
| Ennerdale | 1825 |
| Ennerdale | 1830 |
| Ermelo | 2330 |
| Ermelo | 2332 |
| Ermelo | 2333 |
| Ermelo | 2334 |
| Ermelo | 2336 |
| Ermelo | 2337 |
| Ermelo | 2339 |
| Ermelo | 2340 |
| Ermelo | 2341 |
| Ermelo | 2351 |
| Ermelo | 2352 |
| Ermelo | 2353 |
| Ermelo | 2355 |
| Ermelo | 2356 |
| Ermelo | 2357 |
| Ermelo | 2370 |
| Eshowe | 3814 |
| Eshowe | 3815 |
| Eshowe | 3816 |
| Eshowe | 3817 |
| Eshowe | 3820 |
| Eshowe | 3830 |
| Eshowe | 3850 |
| Esikhawini | 3887 |
| Estadeal | 6012 |
| Estcourt | 3280 |
| Estcourt | 3300 |
| Estcourt | 3301 |
| Estcourt | 3310 |
| Estcourt | 3312 |
| Estcourt | 3313 |
| Estcourt | 3325 |
| Estcourt | 3330 |
| Ethwathwa West Uit 2 | 1519 |
| Evander | 2285 |
| Evander | 2260 |
| Evander | 2266 |
| Evander | 2270 |
| Evander | 2284 |
| Excelsior | 9760 |
| Ezakheni | 3381 |
