Pincode 630566 is a 6-digit postal code serving 3 post offices in Sivaganga district, Tamil Nadu. Eriyur SO is the Post Office for this area, located at 10.0434°N, 78.5103°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Sivaganga delivery zone.
| Post Office | Type |
|---|---|
| Eriyur SO | Post Office |
| Aralikottai BO | Branch Post Office |
| Mallakottai BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Sivaganga, Tamil Nadu. Map data: OpenStreetMap, CARTO.