PIN code 683541 belongs to Keezhillam SO (Sub Post Office), located in Ernakulam district, Kerala. It falls under the Southern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Keezhillam SO | SO | Sub Post Office |
| Airapuram BO | BO | Branch Post Office |
| Pulluvazhi BO | BO | Branch Post Office |
| Thrikkalathoor BO | BO | Branch Post Office |
