| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ababene, Okom | 551116 |
| Postal/ZIP Codes in Akan-Agbawono, Okom | 551116 |
| Postal/ZIP Codes in Arobom, Okom | 551116 |
| Postal/ZIP Codes in Ebo, Okom | 551116 |
| Postal/ZIP Codes in Iko, Okom | 551116 |
| Postal/ZIP Codes in Isabang, Okom | 551116 |
| Postal/ZIP Codes in Iyamitet, Okom | 551116 |
| Postal/ZIP Codes in Ochon, Okom | 551116 |
| Postal/ZIP Codes in Oderega, Okom | 551116 |
| Postal/ZIP Codes in Odondon, Okom | 551116 |
| Postal/ZIP Codes in Odonget, Okom | 551116 |
| Postal/ZIP Codes in Ofat, Okom | 551116 |
| Postal/ZIP Codes in Oganbang, Okom | 551116 |
| Postal/ZIP Codes in Ohama, Okom | 551116 |
| Postal/ZIP Codes in Okokoro-Otrekpe, Okom | 551116 |
| Postal/ZIP Codes in Okorikpana, Okom | 551116 |
| Postal/ZIP Codes in Okumoritet, Okom | 551116 |
| Postal/ZIP Codes in Omon, Okom | 551116 |
| Postal/ZIP Codes in Onyadam, Okom | 551116 |
| Postal/ZIP Codes in Onyen-Okpan, Okom | 551116 |
| Postal/ZIP Codes in Ovukwa, Okom | 551116 |
| Postal/ZIP Codes in Oynen-Orangha, Okom | 551116 |