Gokana Local Government Area in Rivers State uses the postal code 501103.
Here is the postal code for Gokana:
| Place/Area | Postal code |
| Mogbo | 501103 |
| Nugbeio | 501103 |
| Nwenbiara | 501103 |
| Nwoel | 501103 |
| Bodo | 501103 |
| Nwuigra | 501103 |
| Boghor | 501103 |
| Yeghe | 501103 |
| Bomu | 501103 |
| Deken | 501103 |
| Deoyor | 501103 |
| Gbe | 501103 |
| Goi | 501103 |
| Goko | 501103 |
| K. Dere | 501103 |
| Kibangba | 501103 |
| Kpor | 501103 |
| Lewe | 501103 |
| B. Dere | 501103 |
| Barako | 501103 |
| Bera | 501103 |
| Biara | 501103 |