Pincode 621653 is a 6-digit postal code serving 6 post offices in Tiruchirappalli district, Tamil Nadu. Kallagam SO is the Post Office for this area, located at 10.8584°N, 78.6902°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tiruchirappalli delivery zone.
| Post Office | Type |
|---|---|
| Kallagam SO | Post Office |
| Keelarasur BO | Branch Post Office |
| Kokkudi BO | Branch Post Office |
| Methal BO | Branch Post Office |
| Poondi BO | Branch Post Office |
| Sillakudi BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Tiruchirappalli, Tamil Nadu. Map data: OpenStreetMap, CARTO.