The postal codes for all towns and counties are as follows.
- 33 BARINGO 25 BOMET
- 36 BUNGOMA 35 BUSIA
- 34 ELGEYO MARAKWET
- 14 EMBU
- 45 GARISSA
- 41 HOMA BAY
- 17 ISIOLO
- 31 KAJIADO
- 37 KAKAMEGA
- 28 KERICHO
- 11 KIAMBU
- 04 KILIFI
- 09 KIRINYAGA
- 40 KISII
- 39 KISUMU
- 13 KITUI
- 02 KWALE
- 30 LAIKIPIA
- 06 LAMU
- 12 MACHAKOS
- 18 MAKUENI
- 47 MANDERA
- 16 MARSABIT
- 15 MERU
- 44 MIGORI
- 03 MOMBASA
- 10: MURANGA
- 20: NAIROBI
- 27: NAKURU
- 29: NANDI
- 32: NAROK
- 43: NYAMIRA
- 07: NYANDARUA
- 08: NYERI
- 48: S-SUDAN
- 22: SAMBURU
- 42: SIAYA
- 01: TAITA TAVETA
- 05: TANA RIVER
- 19: THARAKANITHI
- 23: TRANSNZOIA
- 21: TURKANA
- 26: UASIN GISHU
- 38: VIHIGA
- 46: WAJIR
- 01: Nairobi GPO
For the complete list of postal codes in Kenya, download the pdf below.
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