Allur BO is the primary post office registered under PIN code 620101 in Tiruchirappalli, Tamil Nadu. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Allur BO | BO | Branch Post Office |
| Kambarasampettai BO | BO | Branch Post Office |
| Mutharasanallur SO | SO | Sub Post Office |