Navalur BO is the primary post office registered under PIN code 600130 in Chengalpattu, Tamil Nadu. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Navalur BO | BO | Branch Post Office |
| Ottiyambakkam BO | BO | Branch Post Office |
| Thazambur | OTHER | post office |