PIN code 678501 belongs to Koduvayur Agraharam BO (Branch Post Office), located in Palakkad district, Kerala. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Koduvayur Agraharam BO | BO | Branch Post Office |
| Thannisseri BO | BO | Branch Post Office |
| Koduvayur SO | SO | Sub Post Office |
