Tiruvalla Market Jn SO is the primary post office registered under PIN code 689101 in Pathanamthitta, Kerala. This code sits within the Southern Postal Region, with 2 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Tiruvalla Market Jn SO | SO | Sub Post Office |
| Tiruvalla HO | HO | Head Post Office |
