Postal code range for the state of Kerala lies between 670001 - 695615.The list of districts and their corresponding postal code ranges in Kerala are as follows:
| Districts | Postal Code Range |
|---|---|
| Alappuzha | 686102-690572 |
| Ernakulam | 680667-686693 |
| Idukki | 685501-686514 |
| Kannur | 670001-673316 |
| Kasargod | 670511-671552 |
| Kollam | 689695-691602 |
| Kottayam | 686001-686653 |
| Kozhikode | 673001-673661 |
| Malappuram | 673314-679591 |
| Palakkad | 678001-679554 |
| Pathanamthitta | 685533-691556 |
| Thiruvananthapuram | 695001-695615 |
| Thrissur | 679105-680751 |
| Wayanad | 670644-673596 |