| Place | Post Code |
|---|---|
| Kewangoi, Lembus Kwen | 20100 |
| Lelaitich, Lembus Kwen | 20100 |
| Mwachon, Lembus Kwen | 20100 |
| Poror Arama, Lembus Kwen | 20100 |
| Sigoro, Lembus Kwen | 20100 |
| Tinet, Lembus Kwen | 20100 |
| Tiripkatoi, Lembus Kwen | 20100 |
| Torongo, Lembus Kwen | 20153 |
| Tugumoi, Lembus Kwen | 20100 |
| Tulwob-Lembus, Lembus Kwen | 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 | |