Omuma is a Local Government Area (LGA) in Rivers State, Nigeria. The postal codes in Omuma are primarily 512102.
Here are the postal codes of the streets and districts in Omuma:
| Area/Place | Postcode |
| Umusu | 512102 |
| Umuwa | 512102 |
| Eberi | 512102 |
| Egbelu | 512102 |
| Umerim | 512102 |
| Umuabali | 512102 |
| Umuagwa | 512102 |
| Umuakali | 512102 |
| Umudik | 512102 |
| Umudou | 512102 |
| Umukamanu | 512102 |
| Umunachi | 512102 |
| Umuokwa | 512102 |
| Umuolilo | 512102 |
| Umuoyoro | 512102 |
| Umuroke | 512102 |