| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Alaike-Ogwaku, Otan-Chara | 470106 |
| Postal/ZIP Codes in Alaocha-Igwaku, Otan-Chara | 470106 |
| Postal/ZIP Codes in Ihitte, Otan-Chara | 470106 |
| Postal/ZIP Codes in Ihitte-Isiokwe, Otan-Chara | 470106 |
| Postal/ZIP Codes in Ikenga, Otan-Chara | 470106 |
| Postal/ZIP Codes in Ikenga-Isiokwe, Otan-Chara | 470106 |