In Ramanathapuram district, Tamil Nadu, PIN code 623402 is anchored by Sevvaipettai BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Sevvaipettai BO | BO | Branch Post Office |
| Karkalathur BO | BO | Branch Post Office |
| Chinnakeeramangalam SO | SO | Sub Post Office |
| Orikottai BO | BO | Branch Post Office |
| Thoonugudi BO | BO | Branch Post Office |
| Muppaiyur BO | BO | Branch Post Office |
