| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Afor-Ukwu, Alayi | 441121 |
| Postal/ZIP Codes in Agba, Alayi | 441121 |
| Postal/ZIP Codes in Agbakoli, Alayi | 441121 |
| Postal/ZIP Codes in Amaeke, Alayi | 441121 |
| Postal/ZIP Codes in Amagu, Alayi | 441121 |
| Postal/ZIP Codes in Amaigwu, Alayi | 441121 |
| Postal/ZIP Codes in Amankalu, Alayi | 441121 |
| Postal/ZIP Codes in Amaoji, Alayi | 441121 |
| Postal/ZIP Codes in Amaoku/Amaoku, Alayi | 441121 |
| Postal/ZIP Codes in Amaokwelu, Alayi | 441121 |
| Postal/ZIP Codes in Amaozara, Alayi | 441121 |
| Postal/ZIP Codes in Amautazi/Okputa, Alayi | 441121 |
| Postal/ZIP Codes in Elugwu, Alayi | 441121 |
| Postal/ZIP Codes in Etiti Amaelu, Alayi | 441121 |
| Postal/ZIP Codes in Etiti Amagbo, Alayi | 441121 |
| Postal/ZIP Codes in Ezi Alayi, Alayi | 441121 |
| Postal/ZIP Codes in Isiegbu, Alayi | 441121 |
| Postal/ZIP Codes in Obuohia, Alayi | 441121 |
| Postal/ZIP Codes in Umunyere, Alayi | 441121 |