Uthandikandigai B.O is the primary post office registered under PIN code 601204 in Thiruvallur, Tamil Nadu. This code sits within the Southern Postal Region, with 11 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Uthandikandigai B.O | BO | Branch Post Office |
| Amoor BO | BO | Branch Post Office |
| Perumbedu BO | BO | Branch Post Office |
| Ponneri SO | SO | Sub Post Office |
| Aladu BO | BO | Branch Post Office |
| Krishnapuram BO | BO | Branch Post Office |
| Reddipalayam BO | BO | Branch Post Office |
| Medur BO | BO | Branch Post Office |
| Panjetti BO | BO | Branch Post Office |
| Ponneri Public Office SO | SO | Sub Post Office |
| Arasur BO | BO | Branch Post Office |
