Karadikulam B.O is the primary post office registered under PIN code 628552 in Tuticorin, Tamil Nadu. This code sits within the Southern Postal Region, with 11 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Karadikulam B.O | BO | Branch Post Office |
| Naickerpatti B.O | BO | Branch Post Office |
| Pazhankottai B.O | BO | Branch Post Office |
| Velayuthapuram B.O | BO | Branch Post Office |
| VENKATESWARAPURAM B.O | BO | Branch Post Office |
| Chettikurichi B.O | BO | Branch Post Office |
| K.Karisalkulam B.O | BO | Branch Post Office |
| Sayamalai B.O | BO | Branch Post Office |
| Kalugumalai S.O | SO | Sub Post Office |
| Sambakulam B.O | BO | Branch Post Office |
| Vellapaneri B.O | BO | Branch Post Office |
