| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Baricho, Karatina Town | 10100 |
| Postal/ZIP Codes in Cheru, Karatina Town | 10100 |
| Postal/ZIP Codes in Ichuga, Karatina Town | 10100 |
| Postal/ZIP Codes in Itiati, Karatina Town | 10100 |
| Postal/ZIP Codes in Ragati, Karatina Town | 10100 |