Pincode 601204 is a 6-digit postal code serving 11 post offices in Thiruvallur district, Tamil Nadu. Ponneri Public Office SO is the Post Office for this area, located at 13.3334°N, 80.2002°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Thiruvallur delivery zone.
| Post Office | Type |
|---|---|
| Ponneri Public Office SO | Post Office |
| Ponneri SO | Post Office |
| Aladu BO | Branch Post Office |
| Amoor BO | Branch Post Office |
| Arasur BO | Branch Post Office |
| Krishnapuram BO | Branch Post Office |
| Medur BO | Branch Post Office |
| Panjetti BO | Branch Post Office |
| Perumbedu BO | Branch Post Office |
| Reddipalayam BO | Branch Post Office |
| Uthandikandigai B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Thiruvallur, Tamil Nadu. Map data: OpenStreetMap, CARTO.
England's first foothold in India — the 1644 East India Company fort that became the seed of modern Madras / Chennai.
India's second-oldest museum (1851) — Pallava and Chola bronzes, Amaravati marbles, and a celebrated Indo-Saracenic theatre.