| Place | Post Code |
|---|---|
| Ibisikpo Ikot Udo, Mbiabong I | 531104 |
| Iden Udo, Mbiabong I | 531104 |
| Ikot Akpan Ntim, Mbiabong I | 531104 |
| Mbiabong Ekpip, Mbiabong I | 531104 |
| Mbiabong Ikot Akpan, Mbiabong I | 531104 |
| Mbiabong Ikot Etefia, Mbiabong I | 531104 |
| Mbiabong Oku Ikot- Abasi, Mbiabong I | 531104 |
| Mbiabong Ukan Ikot, Mbiabong I | 531104 |
| Mbiabong Ukan Ikot-Nung, Mbiabong I | 531104 |
| Mbiafun Ikot Ntia, Mbiabong I | 531104 |