| Place | Post Code |
|---|---|
| Equator, Mumberes/Maji Mazuri | 20100 |
| Maji Mazuri, Mumberes/Maji Mazuri | 20100 |
| Makutano, Mumberes/Maji Mazuri | 20100 |
| Mumberes, Mumberes/Maji Mazuri | 20100 |
| All postal codes in Eldama Ravine | |
|---|---|
| Koibatek, Eldama Ravine | |
| Lembus, Eldama Ravine | |
| Lembus Kwen, Eldama Ravine | |
| Lembus/Perkerra, Eldama Ravine | |
| Mumberes/Maji Mazuri, Eldama Ravine | |
| Ravine, Eldama Ravine | |