| Place | Postal Code |
|---|---|
| Abuloma, Port-Harcourt (Rural) | 500101 |
| Amadio-Ama, Port-Harcourt (Rural) | 500101 |
| Boibu-Oromerizemgbu, Port-Harcourt (Rural) | 500101 |
| Elekohia, Port-Harcourt (Rural) | 500101 |
| Okuru, Port-Harcourt (Rural) | 500101 |
| Orada Diobu, Port-Harcourt (Rural) | 500101 |
| Orogbum, Port-Harcourt (Rural) | 500101 |
| Oroworukwo, Port-Harcourt (Rural) | 500101 |
| Rainbow Town, Port-Harcourt (Rural) | 500101 |
| Rumuoparali, Port-Harcourt (Rural) | 500101 |
| Runiu Kalgbo, Port-Harcourt (Rural) | 500101 |
| Postal Codes in Port Harcourt | |
|---|---|
| Port Harcourt, Port Harcourt | |
| Port-Harcourt (Rural), Port Harcourt | |