| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Agbon, Olomu | 333112 |
| Postal/ZIP Codes in Akperhe, Olomu | 333112 |
| Postal/ZIP Codes in Aloba, Olomu | 333112 |
| Postal/ZIP Codes in Ogoname, Olomu | 333112 |
| Postal/ZIP Codes in Ogoni, Olomu | 333112 |
| Postal/ZIP Codes in Okpare, Olomu | 333112 |
| Postal/ZIP Codes in Okpavuerhe, Olomu | 333112 |
| Postal/ZIP Codes in Okpe, Olomu | 333112 |
| Postal/ZIP Codes in Olomu, Olomu | 333112 |
| Postal/ZIP Codes in Ophori, Olomu | 333112 |
| Postal/ZIP Codes in Ophorigbala, Olomu | 333112 |
| Postal/ZIP Codes in Ototere, Olomu | 333112 |
| Postal/ZIP Codes in Oviri, Olomu | 333112 |
| Postal/ZIP Codes in Ovwodokpokpo, Olomu | 333112 |
| Postal/ZIP Codes in Ovwor, Olomu | 333112 |
| Postal/ZIP Codes in Umolo, Olomu | 333112 |