Pincode 600055 is a 6-digit postal code serving 7 post offices in Thiruvallur district, Tamil Nadu. Avadi IAF SO is the Post Office for this area, located at 13.1468°N, 80.0727°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Thiruvallur delivery zone.
| Post Office | Type |
|---|---|
| Avadi IAF SO | Post Office |
| CRP camp SO Tiruvallur | Post Office |
| Koduvalli BO | Branch Post Office |
| Mittanamalli BO | Branch Post Office |
| Morai BO | Branch Post Office |
| Palavedu BO | Branch Post Office |
| Pandeeswaram BO | 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.
India's second-oldest museum (1851) — Pallava and Chola bronzes, Amaravati marbles, and a celebrated Indo-Saracenic theatre.
England's first foothold in India — the 1644 East India Company fort that became the seed of modern Madras / Chennai.
Mylapore's 7th-century Shiva temple — Tamil Nadu's signature Dravidian gopuram in the heart of old Chennai.
13-km urban beach along Chennai's Bay of Bengal coast — the longest natural urban beach in India.
Neo-Gothic basilica over the tomb of St Thomas the Apostle — one of only three basilicas built atop an apostle's grave.