Vellakarai B.O is the primary post office registered under PIN code 607003 in Cuddalore, Tamil Nadu. This code sits within the Southern Postal Region, with 13 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Vellakarai B.O | BO | Branch Post Office |
| Kodukkanpalayam B.O | BO | Branch Post Office |
| Ramapuram B.O | BO | Branch Post Office |
| Sedapalayam B.O | BO | Branch Post Office |
| Vasantharayanpalayam B.O | BO | Branch Post Office |
| Cuddalore Port S.O | SO | Sub Post Office |
| Cuddalore Old Town S.O | SO | Sub Post Office |
| Annavalli B.O | BO | Branch Post Office |
| Pachayankuppam B.O | BO | Branch Post Office |
| Valisodanaipalayam B.O | BO | Branch Post Office |
| Akkarai Gori B.O | BO | Branch Post Office |
| Sellankuppam B.O | BO | Branch Post Office |
| Cuddalore Ot Bazaar S.O | SO | Sub Post Office |
