In Pathanamthitta district, Kerala, PIN code 689642 is anchored by Naranganam North 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 |
|---|---|---|
| Naranganam North BO | BO | Branch Post Office |
| Naranganam West BO | BO | Branch Post Office |
| Naranganam SO | SO | Sub Post Office |
