PIN code 638457 belongs to Karattupalayam BO (Branch Post Office), located in Erode district, Tamil Nadu. It falls under the Southern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Karattupalayam BO | BO | Branch Post Office |
| Kummakalipalayam BO | BO | Branch Post Office |
| Kurumandur SO | SO | Sub Post Office |
| AlingiamGobi BO | BO | Branch Post Office |
