In Thiruvallur district, Tamil Nadu, PIN code 600053 is anchored by Oragadam BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Oragadam BO | BO | Branch Post Office |
| Menambedu SO | SO | Sub Post Office |
| Thiruvengadnagar BO | BO | Branch Post Office |
| Prithivipakkam SO | SO | Sub Post Office |
| Ambattur HO | HO | Head Post Office |
| Vijayalakshmipuram SO | SO | Sub Post Office |
