Boiler Project TR SO is the primary post office registered under PIN code 620014 in Tiruchirappalli, Tamil Nadu. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Boiler Project TR SO | SO | Sub Post Office |
| C Sector BHEL TR SO | SO | Sub Post Office |
| Kamarajapuram BHEL SO | SO | Sub Post Office |
| Administrative OfficeBHEL SO | SO | Sub Post Office |
