Thottiyam is Taluka (Tehsil) in Tiruchirappalli district of Tamil Nadu state. Thottiyam has 7 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 621203 | Balasamudram Tiruchirappalli PIN Code | Tiruchirappalli | Thottiyam | Sub Office |
| 621215 | Minnathampatti PIN Code | Tiruchirappalli | Thottiyam | Branch Office |
| 621215 | Odayalampudur PIN Code | Tiruchirappalli | Thottiyam | Branch Office |
| 621215 | Servaikaranpatti PIN Code | Tiruchirappalli | Thottiyam | Branch Office |
| 621215 | Thalamalaipatti PIN Code | Tiruchirappalli | Thottiyam | Branch Office |
| 621209 | Thiruvengimalai PIN Code | Tiruchirappalli | Thottiyam | Branch Office |
| 621215 | Varadarajapuram PIN Code | Tiruchirappalli | Thottiyam | Branch Office |