Alamelumangapuram B.O is the primary post office registered under PIN code 631213 in Thiruvallur, Tamil Nadu. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Alamelumangapuram B.O | BO | Branch Post Office |
| Ponpadi Rs S.O | SO | Sub Post Office |
| Ponpadi B.O | BO | Branch Post Office |
