Tirukuvalai is Taluka (Tehsil) in Nagapattinam district of Tamil Nadu state. Tirukuvalai has 6 areas (postal offices). Tirukuvalai has a Sub Office and the PIN Code of Tirukuvalai is 610204.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 610204 | Ettukudi PIN Code | Nagapattinam | Tirukuvalai | Branch Office |
| 611103 | Madapuram PIN Code | Nagapattinam | Tirukuvalai | Branch Office |
| 610204 | Melavazhakarai PIN Code | Nagapattinam | Tirukuvalai | Branch Office |
| 610203 | Sithaimur PIN Code | Nagapattinam | Tirukuvalai | Branch Office |
| 610204 | Tirukuvalai PIN Code | Nagapattinam | Tirukuvalai | Sub Office |
| 610204 | Tiruvoimur PIN Code | Nagapattinam | Tirukuvalai | Branch Office |