| Place | Postal Code |
|---|---|
| Anana, Okon Clan | 524104 |
| Ikot Abasi, Okon Clan | 524104 |
| Ikot Abia, Okon Clan | 524104 |
| Ikot Akpa Enang, Okon Clan | 524104 |
| Ikot Akpa Ikpo, Okon Clan | 524104 |
| Ikot Akpandem, Okon Clan | 524104 |
| Ikot Ataku, Okon Clan | 524104 |
| Ikot Ekpo Okon, Okon Clan | 524104 |
| Ikot Ikpa, Okon Clan | 524104 |
| Ikot Inyang, Okon Clan | 524104 |
| Ikot Nsidibe, Okon Clan | 524104 |
| Ikot Obio, Okon Clan | 524104 |
| Ikot Obio Ata, Okon Clan | 524104 |
| Ikot Obioro, Okon Clan | 524104 |
| Ikot Odudom, Okon Clan | 524104 |
| Ikot Oso, Okon Clan | 524104 |
| Ikot Ukpang, Okon Clan | 524104 |
| Nduo Eduo, Okon Clan | 524104 |
| Postal Codes in Eket | |
|---|---|
| Afaha Clan, Eket | |
| Eket Offiong Clan, Eket | |
| Idua Clan, Eket | |
| Okon Clan, Eket | |