PIN code 686607 belongs to Thalayazham SO (Sub Post Office), located in Kottayam district, Kerala. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Thalayazham SO | SO | Sub Post Office |
| Kothavara BO | BO | Branch Post Office |
| Thottakom BO | BO | Branch Post Office |
