| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Abakuru, Mgbirichi | 464118 |
| Postal/ZIP Codes in Amakohia, Mgbirichi | 464118 |
| Postal/ZIP Codes in Amaokwu-Makohia, Mgbirichi | 464118 |
| Postal/ZIP Codes in Umuaro-Mgbirichi, Mgbirichi | 464118 |
| Postal/ZIP Codes in Uzuuba-Magbirichi, Mgbirichi | 464118 |