In Pathanamthitta district, Kerala, PIN code 689102 is anchored by Kallumkal BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kallumkal BO | BO | Branch Post Office |
| Venpala BO | BO | Branch Post Office |
| Kavumbhagom SO | SO | Sub Post Office |
