Pincode 602023 is a 6-digit postal code serving 12 post offices in Thiruvallur district, Tamil Nadu. Poondi S.O is the Post Office for this area, located at 13.2081°N, 79.8815°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Thiruvallur delivery zone.
| Post Office | Type |
|---|---|
| Poondi S.O | Post Office |
| Allikuzhi B.O | Branch Post Office |
| Devandavakkam B.O | Branch Post Office |
| Nambakkam B.O | Branch Post Office |
| Neiveli B.O | Branch Post Office |
| Nelvoy B.O | Branch Post Office |
| Odappai B.O | Branch Post Office |
| Placepalayam B.O | Branch Post Office |
| Pullarambakkam B.O | Branch Post Office |
| Sandarayanpalayam B.O | Branch Post Office |
| Timmaboopalapuram B.O | Branch Post Office |
| Vellathukottai 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.