| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Anicad, Mallappally | 689585 |
| Postal/ZIP Codes in Ezhumattoor, Mallappally | 689544 |
| Postal/ZIP Codes in Kallooppara, Mallappally | 689543, 689581, 689583, 689594, 689597, 689602 |
| Postal/ZIP Codes in Koipuram, Mallappally | 689543 |
| Postal/ZIP Codes in Kottangal, Mallappally | 689588, 686547 |
| Postal/ZIP Codes in Kunnamthanam, Mallappally | 689581 |
| Postal/ZIP Codes in Mallappally North, Mallappally | 689544, 689584, 689585, 689586, 689587, 689594 |
| Postal/ZIP Codes in Perumpatty, Mallappally | 689586, 689589, 689592, 689613, 689615 |
| Postal/ZIP Codes in Puramattam, Mallappally | 689545, 689544, 689543 |
| Postal/ZIP Codes in Puramattom, Mallappally | 689547 |
| Postal/ZIP Codes in Thelliyoor, Mallappally | 689545, 689544 |