Kiambu is a town in Kiambu County, Kenya. It serves as the administrative capital of the county and is located just north of Nairobi, the capital city of Kenya. Here are some postal codes associated with different areas within Kiambu: Kiambu Town Postal codes Kiambu 00900 Kinari 00227Githiga 00903Kamiti 00607 Ikinu 00904Kamiti 00607 Ngecha 00218 Thika Postal Code Thika 01000Madaraka 01002Ndithini 01016 Githunguri Postal Code Githunguri 00216 Gathugu 00240Ngewa 00901 Gathiru-ini 00239 Ruiru Postal Codes Ruiru Postal Code 00232 All Kiambu Postal Codes Kiambu Town: 00900Thika: 01000 Limuru: 00217Ruiru: 00232Githunguri: 00216Karuri: 00219Juja: 01020Kikuyu: 0090 Post navigation Nakuru Postal Code 20100 Kenya Certificate of Primary Education (KCPE)