| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Abomgbego, Ndiowu | 423122 |
| Postal/ZIP Codes in Agbata, Ndiowu | 423122 |
| Postal/ZIP Codes in Enumgbom, Ndiowu | 423122 |
| Postal/ZIP Codes in Igweakpu-Ofia Udo, Ndiowu | 423122 |
| Postal/ZIP Codes in Obinagu, Ndiowu | 423122 |
| Postal/ZIP Codes in Oboulhuala, Ndiowu | 423122 |
| Postal/ZIP Codes in Ubaha, Ndiowu | 423122 |
| Postal/ZIP Codes in Uhueze, Ndiowu | 423122 |
| Postal/ZIP Codes in Umudiabo, Ndiowu | 423122 |