| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Egbeenano, Mbaukwu | 420105 |
| Postal/ZIP Codes in EkenboAkesi, Mbaukwu | 420105 |
| Postal/ZIP Codes in Ezinwafor, Mbaukwu | 420105 |
| Postal/ZIP Codes in Eziokpo/Obeagu, Mbaukwu | 420105 |
| Postal/ZIP Codes in Ndiagu, Mbaukwu | 420105 |
| Postal/ZIP Codes in Ngodo, Mbaukwu | 420105 |
| Postal/ZIP Codes in Obuofia, Mbaukwu | 420105 |
| Postal/ZIP Codes in Umuezilo, Mbaukwu | 420105 |
| Postal/ZIP Codes in Umuezume, Mbaukwu | 420105 |
| Postal/ZIP Codes in Umuoba, Mbaukwu | 420105 |
| Postal/ZIP Codes in Umuodum, Mbaukwu | 420105 |
| Postal/ZIP Codes in Uru, Mbaukwu | 420105 |