| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Anwafia, Nkari | 531115 |
| Postal/ZIP Codes in Ibono Okporo, Nkari | 531115 |
| Postal/ZIP Codes in Ibono Usuk, Nkari | 531115 |
| Postal/ZIP Codes in Ikot Akpan, Nkari | 531115 |
| Postal/ZIP Codes in Ikot Offiong, Nkari | 531115 |
| Postal/ZIP Codes in Ikot Uko, Nkari | 531115 |
| Postal/ZIP Codes in Mbento, Nkari | 531115 |
| Postal/ZIP Codes in Obong, Nkari | 531115 |
| Postal/ZIP Codes in Offufa, Nkari | 531115 |
| Postal/ZIP Codes in Ubie Nkene, Nkari | 531115 |