In Ramanathapuram district, Tamil Nadu, PIN code 623537 is anchored by Naranamangalam BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Naranamangalam BO | BO | Branch Post Office |
| PKodikulam BO | BO | Branch Post Office |
| Pottagavayal SO | SO | Sub Post Office |
| Sholandur BO | BO | Branch Post Office |
