| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Mbu-Agu-Udene, Mbu Amon | 412104 |
| Postal/ZIP Codes in Mbu-Ajona, Mbu Amon | 412104 |
| Postal/ZIP Codes in Mbu-Akpoti, Mbu Amon | 412104 |
| Postal/ZIP Codes in Mbu-Akpuoga, Mbu Amon | 412104 |
| Postal/ZIP Codes in Mbu-Amon, Mbu Amon | 412104 |
| Postal/ZIP Codes in Oka-Egbera, Mbu Amon | 412104 |
| Postal/ZIP Codes in Ugwuoke-None, Mbu Amon | 412104 |