PIN code 623529 belongs to Ariyangundu BO (Branch Post Office), located in Ramanathapuram district, Tamil Nadu. It falls under the Southern Postal Region and is served by 2 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Ariyangundu BO | BO | Branch Post Office |
| Thangachimadam SO | SO | Sub Post Office |
