| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Abaha, Okporo | 473110 |
| Postal/ZIP Codes in Abara-Durueze, Okporo | 473110 |
| Postal/ZIP Codes in Akwakuma, Okporo | 473110 |
| Postal/ZIP Codes in Umuchem, Okporo | 473110 |
| Postal/ZIP Codes in Umudaraebike, Okporo | 473110 |
| Postal/ZIP Codes in Umudim-Na-Dara, Okporo | 473110 |
| Postal/ZIP Codes in Umudum-Na-, Okporo | 473110 |
| Postal/ZIP Codes in Umuekee, Okporo | 473110 |
| Postal/ZIP Codes in Umuelele, Okporo | 473110 |
| Postal/ZIP Codes in Umuocham, Okporo | 473110 |