| Place |
Post Code |
| Ogbonotroko, Brass |
562101 |
| Oimiekiri, Brass |
562101 |
| Okiinibiriba, Brass |
562101 |
| Okinbiriboteu, Brass |
562101 |
| Okobotruo, Brass |
562101 |
| Okoribukio, Brass |
562101 |
| Okparanaba, Brass |
562101 |
| Okpoama, Brass |
562101 |
| Okpokiri, Brass |
562101 |
| Olugama, Brass |
562101 |
| Olukama, Brass |
562101 |
| Olukugbene, Brass |
562101 |
| Omonikiri, Brass |
562101 |
| Omugopogu, Brass |
562101 |
| Onunu, Brass |
562101 |
| Onunwypele, Brass |
562101 |
| Opolochi, Brass |
562101 |
| Oporoma, Brass |
562101 |
| Opu Akassa, Brass |
562101 |
| Opuorubo, Brass |
562101 |
| Orawo, Brass |
562101 |
| Oro-Foniweitoro, Brass |
562101 |
| Orukiri, Brass |
562101 |
| Orukutu, Brass |
562101 |
| Osugbene, Brass |
562101 |
| Otatubei, Brass |
562101 |