PIN code 603003 belongs to Meleripakkam BO (Branch Post Office), located in Chengalpattu district, Tamil Nadu. It falls under the Southern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Meleripakkam BO | BO | Branch Post Office |
| Tiruvadisoolam BO | BO | Branch Post Office |
| Nenmeli BO | BO | Branch Post Office |
| Vallam SO | SO | Sub Post Office |
