Pincode 621101 is a 6-digit postal code serving 5 post offices in Perambalur district, Tamil Nadu. Ammapalayam S.O is the Post Office for this area, located at 11.2200°N, 78.7400°E. The first digit ‘6’ identifies the Tamil Nadu postal region; the full code pinpoints the Perambalur delivery zone.
| Post Office | Type |
|---|---|
| Ammapalayam S.O | Post Office |
| Kalarampatti B.O | Branch Post Office |
| Ladapuram B.O | Branch Post Office |
| Melapuliyur B.O | Branch Post Office |
| Puduattur B.O | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Perambalur, Tamil Nadu. Map data: OpenStreetMap, CARTO.