PIN code 686631 belongs to Pattithanam BO (Branch Post Office), located in Kottayam district, Kerala. It falls under the Southern Postal Region and is served by 6 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Pattithanam BO | BO | Branch Post Office |
| Vettimukal BO | BO | Branch Post Office |
| Ettumanur Junction SO | SO | Sub Post Office |
| Punnathura West BO | BO | Branch Post Office |
| Ettumanur SO | SO | Sub Post Office |
| Kottakkapuram BO | BO | Branch Post Office |
