| Place | Post Code |
|---|---|
| Ababene, Okom | 551116 |
| Akan-Agbawono, Okom | 551116 |
| Arobom, Okom | 551116 |
| Ebo, Okom | 551116 |
| Iko, Okom | 551116 |
| Isabang, Okom | 551116 |
| Iyamitet, Okom | 551116 |
| Ochon, Okom | 551116 |
| Oderega, Okom | 551116 |
| Odondon, Okom | 551116 |
| Odonget, Okom | 551116 |
| Ofat, Okom | 551116 |
| Oganbang, Okom | 551116 |
| Ohama, Okom | 551116 |
| Okokoro-Otrekpe, Okom | 551116 |
| Okorikpana, Okom | 551116 |
| Okumoritet, Okom | 551116 |
| Omon, Okom | 551116 |
| Onyadam, Okom | 551116 |
| Onyen-Okpan, Okom | 551116 |
| Ovukwa, Okom | 551116 |
| Oynen-Orangha, Okom | 551116 |
| All postal codes in Obubra | |
|---|---|
| Iyalla, Obubra | |
| Obubra Urban, Obubra | |
| Ofat (Adum), Obubra | |
| Ofodua (Adum), Obubra | |
| Ofombo-Ngha, Obubra | |
| Okom, Obubra | |
| Osopong, Obubra | |