| Councils |
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| Postal/ZIP Codes in Emsoo, Keiyo North |
| Postal/ZIP Codes in Kamariny, Keiyo North |
| Postal/ZIP Codes in Kapchemutwa, Keiyo North |
| Postal/ZIP Codes in Tambach, Keiyo North |
| Postal/ZIP Codes in Elgeyo-Marakwet |
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| Postal/ZIP Codes in Keiyo North |
| Postal/ZIP Codes in Keiyo South |
| Postal/ZIP Codes in Marakwet East |
| Postal/ZIP Codes in Marakwet West |