In Chengalpattu district, Tamil Nadu, PIN code 603002 is anchored by Paranur BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 5 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Paranur BO | BO | Branch Post Office |
| Gundurchengalpattu SO | SO | Sub Post Office |
| Kunnavakkam BO | BO | Branch Post Office |
| Nathamchengalpattu SO | SO | Sub Post Office |
| Pulipakkam BO | BO | Branch Post Office |
