District
1. Kollam
Pincode: 691001
2. Kakkanad
Pincode: 682030
3. Painavu
Pincode: 685603
4. Kannur
Pincode: 670001
5. Kasaragod
Pincode: 671121
6. Alappuzha
Pincode: 688001
7. Kottayam
Pincode: 686001
8. Kozhikode
Pincode: 673001
9. Malappuram
Pincode: 676505
10. Kalpetta
Pincode: 673121
11. Pathanamthitta
Pincode: 689645
12. Thiruvananthapuram(State Capital)
Pincode: 695001
13. Thrissur
Pincode: 680020
14. Palakkad
Pincode: 678014