| Postal Code | Town | County |
|---|---|---|
| 40214 | Marani | Kisii |
| 80113 | Mariakani | Kilifi |
| 60408 | Marima | Tharaka-Nithi |
| 60215 | Marimanti | Tharaka-Nithi |
| 40318 | Marinde | Homa Bay |
| 40408 | Mariwa | Migori |
| 20322 | Marmanet | Laikipia |
| 60500 | Marsabit | Marsabit |
| 10127 | Marua | Nyeri |
| 50324 | Masana | Vihiga |