| Place | Post Code |
|---|---|
| Valkaipaddankandal, Nanaddan | None |
| Vanchiankulam, Nanaddan | None |
| Vankalai East, Nanaddan | None |
| Vankalai North, Nanaddan | None |
| Vankalai West, Nanaddan | None |
| All postal codes in Mannar | |
|---|---|
| Madhu, Mannar | |
| Mannar Town, Mannar | |
| Manthai West, Mannar | |
| Musalai, Mannar | |
| Nanaddan, Mannar | |