Ulundurpettai is Taluka (Tehsil) in Villupuram district of Tamil Nadu state. Ulundurpettai has 7 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 607201 | Adaiyur PIN Code | Villupuram | Ulundurpettai | Branch Office |
| 607202 | Elavanasur PIN Code | Villupuram | Ulundurpettai | Sub Office |
| 606104 | Mangalam Sa PIN Code | Villupuram | Ulundurpettai | Sub Office |
| 606104 | Mukhasaparur PIN Code | Villupuram | Ulundurpettai | Branch Office |
| 607204 | Periyakuppam PIN Code | Villupuram | Ulundurpettai | Branch Office |
| 606107 | Semmanangur PIN Code | Villupuram | Ulundurpettai | Branch Office |
| 606107 | Ulundurpet Busstand PIN Code | Villupuram | Ulundurpettai | Sub Office |