| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kunnathur East, Kunnathur | 690519, 690540, 691500, 691553 |
| Postal/ZIP Codes in Mynagappally, Kunnathur | 690524, 690519, 690521 |
| Postal/ZIP Codes in Pavumba, Kunnathur | 690574 |
| Postal/ZIP Codes in Poruvazhy, Kunnathur | 690520, 691552 |
| Postal/ZIP Codes in Sasthamcottah, Kunnathur | 690521, 690540, 690520 |
| Postal/ZIP Codes in Sooranad, Kunnathur | 690522 |
| Postal/ZIP Codes in Sooranad North, Kunnathur | 690561 |
| Postal/ZIP Codes in West Kallada, Kunnathur | 690521, 691500 |