| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Epelema, Opobo | 503103 |
| Postal/ZIP Codes in Ikwata, Opobo | 503103 |
| Postal/ZIP Codes in Iloma, Opobo | 503103 |
| Postal/ZIP Codes in Iwoama, Opobo | 503103 |
| Postal/ZIP Codes in Job-Ama, Opobo | 503103 |
| Postal/ZIP Codes in Kalaibiama, Opobo | 503103 |
| Postal/ZIP Codes in Kalasunju, Opobo | 503103 |
| Postal/ZIP Codes in Minima, Opobo | 503103 |
| Postal/ZIP Codes in Nkoro, Opobo | 503103 |
| Postal/ZIP Codes in Obo- Town, Opobo | 503103 |
| Postal/ZIP Codes in Okorobo -Ile, Opobo | 503103 |
| Postal/ZIP Codes in Olam - Nkoro, Opobo | 503103 |
| Postal/ZIP Codes in Olum, Opobo | 503103 |
| Postal/ZIP Codes in Opum, Opobo | 503103 |
| Postal/ZIP Codes in Queens Town, Opobo | 503103 |
| Postal Codes in Opobo/Nkoro | |
|---|---|
| Postal/ZIP Codes in Opobo, Opobo/Nkoro | |