| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ago-Ogodo, Otuo | 313107 |
| Postal/ZIP Codes in Amohon, Otuo | 313107 |
| Postal/ZIP Codes in Amoya, Otuo | 313107 |
| Postal/ZIP Codes in Imafun, Otuo | 313107 |
| Postal/ZIP Codes in Iyeu, Otuo | 313107 |
| Postal/ZIP Codes in Obo, Otuo | 313107 |
| Postal/ZIP Codes in Ohima, Otuo | 313107 |
| Postal/ZIP Codes in Orake, Otuo | 313107 |
| Postal/ZIP Codes in Osiekpa, Otuo | 313107 |
| Postal/ZIP Codes in Ugba, Otuo | 313107 |