Onitsha, a prominent commercial hub in Anambra State, Nigeria, is divided into two local government areas (LGAs): Onitsha North and Onitsha South. Each LGA encompasses various neighborhoods and streets, each with a unique postal code to ensure efficient mail delivery and services.
Onitsha North LGA Postal Codes
| Area/Street | Postal Code |
|---|---|
| Fegge | 434101 |
| Odoakpu | 434102 |
| Woliwo Layout | 434103 |
| GRA | 434104 |
| Nkpor | 434105 |
| Awada | 434106 |
| Ochanja | 434107 |
| Nkisi Aroli Road | 434108 |
| Limca Road | 434109 |
| New Market Road | 434110 |
| Modebe Avenue | 434111 |
| Zik Avenue | 434112 |
| Enugu Road | 434113 |
| Awka Road | 434114 |
| Upper Iweka Road | 434115 |
| Old Market Road | 434116 |
| Sokoto Road | 434117 |
| Vulcanizer Road | 434118 |
| Oguta Road | 434119 |
| Ogbaru Road | 434120 |
| Old Aba Road | 434121 |
| Woliwo | 434122 |
Onitsha South LGA Postal Codes
| Area/Street | Postal Code |
|---|---|
| Main Market | 435101 |
| Odoakpu | 435102 |
| Bridge Head | 435103 |
| Fegge | 435104 |
| Silas Works Road | 435105 |
| Haruna Street | 435106 |
| Ogbaru Road | 435107 |
| Iweka Road | 435108 |
| Old Market Road | 435109 |
| Nnewi Street | 435110 |
| Atani Road | 435111 |
| Ochanja Market | 435112 |
| Upper Iweka Road | 435113 |
| Zik Avenue | 435114 |
| Odoakpu Road | 435115 |
| Modebe Avenue | 435116 |
| Port Harcourt Road | 435117 |
| Ezeiweka Road | 435118 |
| Oguta Road | 435119 |
| Odoakpu Area | 435120 |