| Councils |
|---|
| Postal/ZIP Codes in Chiakariga, Tharaka |
| Postal/ZIP Codes in Gatunga, Tharaka |
| Postal/ZIP Codes in Marimanti, Tharaka |
| Postal/ZIP Codes in Mukothima, Tharaka |
| Postal/ZIP Codes in Nkondi, Tharaka |
| Postal/ZIP Codes in Tharaka-Nithi |
|---|
| Postal/ZIP Codes in Chuka/Igambang'ombe |
| Postal/ZIP Codes in Maara |
| Postal/ZIP Codes in Tharaka |