Pincode 621003 is a 6-digit postal code serving 8 post offices in Tiruchirappalli district, Tamil Nadu. Kottapalayam S.O is the Post Office for this area, located at 11.2600°N, 78.4900°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tiruchirappalli delivery zone.
| Post Office | Type |
|---|---|
| Kottapalayam S.O | Post Office |
| Alathudayanpatti B.O | Branch Post Office |
| Balakrishnampatti B.O | Branch Post Office |
| B.Mettur B.O | Branch Post Office |
| Maradi B.O | Branch Post Office |
| Nettavelampatti B.O | Branch Post Office |
| Pachaperumalpatti B.O | Branch Post Office |
| Viswambalsamudram B.O | 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.