Kalmunai Postal Code
| City | Postal Code | District |
|---|---|---|
| Chavalakadai | 32306 | Ampara |
| Navithanveli | 32308 | Ampara |
| Marathamune | 32314 | Ampara |
| Periyaneelavanai | 32316 | Ampara |
| Nintavur | 32340 | Ampara |
| Addalaichenai | 32350 | Ampara |
| Palamunai | 32354 | Ampara |
| Oluwil | 32360 | Ampara |
| Akkarapattu | 32400 | Ampara |
| Kannagipuram | 32405 | Ampara |
| Thambiluvil | 32415 | Ampara |
| Koralkalapu | 32417 | Ampara |
| Komari | 32418 | Ampara |
| Tirukkovil | 32420 | Ampara |
| Irakkamam | 32450 | Ampara |