| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Amadiaba, Nkpa | 441117 |
| Postal/ZIP Codes in Amaedukwo, Nkpa | 441117 |
| Postal/ZIP Codes in Amaohoro, Nkpa | 441117 |
| Postal/ZIP Codes in Amaokpu, Nkpa | 441117 |
| Postal/ZIP Codes in Eluama, Nkpa | 441117 |
| Postal/ZIP Codes in Muegwu, Nkpa | 441117 |
| Postal/ZIP Codes in Nkporo, Nkpa | 441117 |
| Postal/ZIP Codes in Odua, Nkpa | 441117 |
| Postal/ZIP Codes in Okpobia, Nkpa | 441117 |
| Postal/ZIP Codes in Ugwu, Nkpa | 441117 |
| Postal/ZIP Codes in Umuede, Nkpa | 441117 |