Kondancheri B.O is the primary post office registered under PIN code 631402 in Thiruvallur, Tamil Nadu. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kondancheri B.O | BO | Branch Post Office |
| Perambakkam S.O | SO | Sub Post Office |
| Kilacheri B.O | BO | Branch Post Office |
| Narasingapuram B.O | BO | Branch Post Office |
| Kuvam B.O | BO | Branch Post Office |
| Mappedu B.O | BO | Branch Post Office |
