Pincode 623407 is a 6-digit postal code serving 6 post offices in Ramanathapuram district, Tamil Nadu. Tiruvadanai SO is the Post Office for this area, located at 9.7866°N, 78.9189°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Ramanathapuram delivery zone.
| Post Office | Type |
|---|---|
| Tiruvadanai SO | Post Office |
| Anjukottai BO | Branch Post Office |
| Athiyur BO | Branch Post Office |
| Kottakudi BO | Branch Post Office |
| Thinaiyathur BO | Branch Post Office |
| Tiruvetriyur BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Ramanathapuram, Tamil Nadu. Map data: OpenStreetMap, CARTO.