| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Abidudu, Ukpo | 421108 |
| Postal/ZIP Codes in Akaezi, Ukpo | 421107 |
| Postal/ZIP Codes in Akpu, Ukpo | 421107 |
| Postal/ZIP Codes in Akwa, Ukpo | 421108 |
| Postal/ZIP Codes in Eziagu, Ukpo | 421108 |
| Postal/ZIP Codes in Ifitedunu, Ukpo | 421108 |
| Postal/ZIP Codes in Igbuala, Ukpo | 421108 |
| Postal/ZIP Codes in Iruowelu, Ukpo | 421108 |
| Postal/ZIP Codes in Isiekwulu, Ukpo | 421107 |
| Postal/ZIP Codes in Obieze, Ukpo | 421108 |
| Postal/ZIP Codes in Oranto, Ukpo | 421107 |
| Postal/ZIP Codes in Ukpo-Nmili, Ukpo | 421108 |
| Postal/ZIP Codes in Umuanugwo, Ukpo | 421108 |
| Postal/ZIP Codes in Umunaboh, Ukpo | 421108 |