Nnewi North LGA of Anambra State, Nigeria, has four towns, which all use the same postcode:
| Location | Postcode |
| Nnewi-Ichi | 435101 |
| Otolo | 435101 |
| Umudim | 435101 |
| Uruagu | 435101 |
Nnewi North LGA of Anambra State, Nigeria, has four towns, which all use the same postcode:
| Location | Postcode |
| Nnewi-Ichi | 435101 |
| Otolo | 435101 |
| Umudim | 435101 |
| Uruagu | 435101 |