Eastern Obolo Local Government Area in Akwa Ibom uses postal codes ranging from 534101 to 534102.
Here are the postal codes for the towns and districts in Eastern Obolo:
Iko
| Location | Postcode |
| Atabrikang | 534107 |
| Iko | 534107 |
| Ikonta | 534107 |
| Kampa | 534107 |
Okoro Ete
| Location | Postcode |
| Akpabom | 534206 |
| Kampa | 534206 |
| Ama Ngbuoji | 534206 |
| Obionga | 534206 |
| Ama Ngulasi | 534206 |
| Okoro Inyong | 534206 |
| Amadaka | 534206 |
| Okorobilom | 534206 |
| Atabrikang | 534206 |
| Okoroete | 534206 |
| Ayama | 534206 |
| Okoroiti | 534206 |
| Bethlehem | 534206 |
| Okorombakho | 534206 |
| Elekpon | 534206 |
| Okoromobolo | 534206 |
| Elile | 534206 |
| Okwon Obolo | 534206 |
| Emere Oke I | 534206 |
| Otuwene | 534206 |
| Emere Oke II | 534206 |
| Ozugbo | 534206 |
| Emeremen | 534206 |
| Umauka | 534206 |
| Eqwennwe | 534206 |
| Iko | 534206 |
| Ikonta | 534206 |
| Iworfe | 534206 |