Maruvai B.O is the primary post office registered under PIN code 607303 in Cuddalore, Tamil Nadu. This code sits within the Southern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Maruvai B.O | BO | Branch Post Office |
| Vadakuthu B.O | BO | Branch Post Office |
| Vadalur S.O | SO | Sub Post Office |
| Vanathirayapuram B.O | BO | Branch Post Office |
| Karunguli B.O | BO | Branch Post Office |
| Moolakuppam B.O | BO | Branch Post Office |
| Serakuppam B.O | BO | Branch Post Office |
