PIN code 686604 belongs to Arunoottimangalam BO (Branch 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 |
|---|---|---|
| Arunoottimangalam BO | BO | Branch Post Office |
| Poozhikole BO | BO | Branch Post Office |
| Kaduthuruthy SO | SO | Sub Post Office |
