PIN code 686538 belongs to Vakathanam SO (Sub Post Office), located in Kottayam district, Kerala. It falls under the Southern Postal Region and is served by 5 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Vakathanam SO | SO | Sub Post Office |
| Vakathanam South BO | BO | Branch Post Office |
| Puthenchantha BO | BO | Branch Post Office |
| Ponganthanam BO | BO | Branch Post Office |
| Nalunnackal BO | BO | Branch Post Office |
