| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Agbaja-Nkporo, Nkporo | 442111 |
| Postal/ZIP Codes in Amurie-Nkporo, Nkporo | 442111 |
| Postal/ZIP Codes in Elughu-Nkporo, Nkporo | 442111 |
| Postal/ZIP Codes in Etitiana-Nkporo, Nkporo | 442111 |
| Postal/ZIP Codes in Ndi-Nko-Nkporo, Nkporo | 442111 |
| Postal/ZIP Codes in Obofia-Nkporo, Nkporo | 442111 |
| Postal/ZIP Codes in Okwoko-Nkporo, Nkporo | 442111 |