Mallappuzhassery BO is the primary post office registered under PIN code 689533 in Pathanamthitta, Kerala. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Mallappuzhassery BO | BO | Branch Post Office |
| Nalkallikkal BO | BO | Branch Post Office |
| Aranmula SO | SO | Sub Post Office |
