PIN code 636009 belongs to Swaminathapuram B.O (Branch Post Office), located in Salem district, Tamil Nadu. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Swaminathapuram B.O | BO | Branch Post Office |
| Arisipalayam S.O | SO | Sub Post Office |
| Leigh Bazaar S.O | SO | Sub Post Office |
