Tirumangalam Road SO is the primary post office registered under PIN code 600049 in Thiruvallur, Tamil Nadu. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Tirumangalam Road SO | SO | Sub Post Office |
| Srinivasanagar BO | BO | Branch Post Office |
| Rajajinagar BO | BO | Branch Post Office |
| Villivakkam SO | SO | Sub Post Office |
