Pincode 628401 is a 6-digit postal code serving 6 post offices in Tuticorin district, Tamil Nadu. Otapidaram S.O is the Post Office for this area, located at 8.9148°N, 78.0226°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Tuticorin delivery zone.
| Post Office | Type |
|---|---|
| Otapidaram S.O | Post Office |
| Akilandapuram B.O | Branch Post Office |
| Katcheri Dhalavaipuram B.O | Branch Post Office |
| Kilamudiman B.O | Branch Post Office |
| Kulasekaranallur B.O | Branch Post Office |
| Vellaram B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Tuticorin, Tamil Nadu. Map data: OpenStreetMap, CARTO.