| Place | Post Code |
|---|---|
| Abasi, Otoro | 532105 |
| Abiakpo, Otoro | 532105 |
| Atai Otoro, Otoro | 532105 |
| Ibiakpan I, Otoro | 532105 |
| Ibiakpan II, Otoro | 532105 |
| Ibong Ikot Abasi, Otoro | 532105 |
| Ibong Ikot Akpan Abasi, Otoro | 532105 |
| Ibong Otoro, Otoro | 532105 |
| Ikot Ata Udo, Otoro | 532105 |
| Ikot Ebok, Otoro | 532105 |
| Ikot Essien Etok, Otoro | 532105 |
| Ikot Etok Udo, Otoro | 532105 |
| Ikot Obioko, Otoro | 532105 |
| Ikot Odon, Otoro | 532105 |
| Ikot Oku Mfang, Otoro | 532105 |
| Ikot Osom, Otoro | 532105 |
| Nkor Otoro, Otoro | 532105 |
| Uruk Uso, Otoro | 532105 |
| All postal codes in Abak | |
|---|---|
| Abak Uban, Abak | |
| Afaha Obong, Abak | |
| Ediene, Abak | |
| Midim, Abak | |
| Otoro, Abak | |