N
| Town name | Postal code |
| Naboomspruit | 0560 |
| Naboomspruit | 0561 |
| Naboomspruit | 0562 |
| Naboomspruit | 0564 |
| Naboomspruit | 0580 |
| Nagina | 3604 |
| Nagina | 3614 |
| Nahoon | 5241 |
| Naledi | 1861 |
| Namakgale | 1397 |
| Nasaret | 1052 |
| Ndabakazi | 4964 |
| Ndwedwe | 4242 |
| Ndwedwe | 4341 |
| Ndwedwe | 4342 |
| Ndwedwe | 4399 |
| Neandertal | 0714 |
| Nebo | 1057 |
| Nebo | 1059 |
| Nederburg | 7628 |
| Nederburg | 7645 |
| Nederburg | 7646 |
| Nelspruit | 1132 |
| Nelspruit | 1200 |
| Nelspruit | 1201 |
| Nelspruit | 1202 |
| Nelspruit | 1203 |
| Nelspruit | 1204 |
| Nelspruit | 1205 |
| Nelspruit | 1206 |
| Nelspruit | 1207 |
| Nelspruit | 1208 |
| Nelspruit | 1209 |
| Nelspruit | 1211 |
| Nelspruit | 1212 |
| Nelspruit | 1213 |
| Nelspruit | 1218 |
| Nelspruit | 1220 |
| Nelspruit | 1222 |
| Nelspruit | 1223 |
| Nelspruit | 1224 |
| Nelspruit | 1241 |
| Nelspruit | 1248 |
| Nelspruit | 1249 |
| Nelspruit | 1281 |
| Nelspruit | 1288 |
| Nelspruit | 1295 |
| Nelspruit | 1302 |
| Nelspruit | 1304 |
| Nelspruit | 1334 |
| Nelspruit | 1349 |
| Nelspruit | 1350 |
| Nelspruit | 1355 |
| Nelspruit | 1360 |
| New Brighton | 6200 |
| New Brighton | 6201 |
| New Brighton | 6202 |
| New Germany | 3610 |
| New Germany | 3612 |
| Newcastle | 2940 |
| Newcastle | 2941 |
| Newcastle | 2942 |
| Newcastle | 2944 |
| Newcastle | 2945 |
| Newcastle | 2950 |
| Newcastle | 2953 |
| Newcastle | 2954 |
| Newcastle | 2956 |
| Newcastle | 2958 |
| Newcastle | 3082 |
| Newlands | 7700 |
| Newton Park | 6045 |
| Ngqeleni | 5140 |
| Ngqeleni | 5141 |
| Ngqeleni | 5150 |
| Niekerkshoop | 8930 |
| Nigel | 1490 |
| Nigel | 1491 |
| Nigel | 1492 |
| Nigel | 1494 |
| Nigel | 1495 |
| Nigel | 1496 |
| Nigel | 1590 |
| Ninapark | 0156 |
| Ninapark | 0182 |
| Nkandla | 3855 |
| Nkandla | 3856 |
| Nkandla | 3858 |
| Nkandla | 3859 |
| Nkwe | 0616 |
| Nongoma | 3866 |
| Nongoma | 3934 |
| Nongoma | 3938 |
| Nongoma | 3950 |
| Nongoma | 3836 |
| Noordwyk | 1687 |
| North Riding | 2162 |
| North Riding | 2169 |
| Northdene | 4093 |
| Northdene | 4147 |
| Northern Cape | 7090 |
| Northern Cape | 8530 |
| Northern Provice | 0480 |
| Northwold | 2188 |
| Northwold | 2155 |
| Noupoort | 5950 |
| Nqabeni | 4682 |
| Nqamakwe | 4990 |
| Nqamakwe | 4991 |
| Nqamakwe | 4992 |
| Nqutu | 3135 |
| Nqutu | 3137 |
| Nqutu | 3005 |
| Nqutu | 3007 |
| Ntokozweni | 4066 |
| Ntokozweni | 4089 |
| Nucam | 2355 |
| Nuweland | 7708 |
| Nyanga | 7750 |
| Nylstroom | 0510 |
| Nylstroom | 0512 |
| Nylstroom | 0513 |
| Nylstroom | 0514 |
| Nylstroom | 0515 |
| Nylstroom | 0516 |
| Nylstroom | 0517 |
| Nylstroom | 0539 |
| Nylstroom | 0433 |
| Nylstroom | 0436 |
| Nylstroom | 0437 |
