Pincode 603109 is a 6-digit postal code serving 11 post offices in Chengalpattu district, Tamil Nadu. Tirukalikundram SO is the Post Office for this area, located at 12.6071°N, 80.0600°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Chengalpattu delivery zone.
| Post Office | Type |
|---|---|
| Tirukalikundram SO | Post Office |
| Ammanambakkam BO | Branch Post Office |
| Desumugipettai BO | Branch Post Office |
| Edaiyur BO | Branch Post Office |
| Irumbulicheri BO | Branch Post Office |
| Mullikolathur BO | Branch Post Office |
| Oragadam BO | Branch Post Office |
| Pandur BO | Branch Post Office |
| Puliyur BO | Branch Post Office |
| Thathalur BO | Branch Post Office |
| Veerapuram BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Chengalpattu, Tamil Nadu. Map data: OpenStreetMap, CARTO.