| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Agbani, Obinagu | 401105 |
| Postal/ZIP Codes in Amofia, Obinagu | 401105 |
| Postal/ZIP Codes in Okpunyo, Obinagu | 401105 |
| Postal/ZIP Codes in Okunator, Obinagu | 401105 |
| Postal/ZIP Codes in Owa, Obinagu | 401105 |
| Postal/ZIP Codes in Umuaboshi, Obinagu | 401105 |
| Postal/ZIP Codes in Umuaneke Agwo, Obinagu | 401105 |
| Postal/ZIP Codes in Umuaneke Ugwu, Obinagu | 401105 |
| Postal/ZIP Codes in Umudike, Obinagu | 401105 |
| Postal/ZIP Codes in Umuota, Obinagu | 401105 |