| Place | Post Code |
|---|---|
| Pulikkal, Tirukkoyilur | 605758 |
| Puravadai, Tirukkoyilur | 605755 |
| Puthavaram Kaduvetti, Tirukkoyilur | 605755 |
| Railway Station, Tirukkoyilur | 605758 |
| Rajampalayam, Tirukkoyilur | 605766 |
| Rajapuram, Tirukkoyilur | 605766 |
| Sadaikatti, Tirukkoyilur | 605766 |
| Sangiyam, Tirukkoyilur | 605754 |
| Santhapettai, Tirukkoyilur | 605766 |
| Sathanur, Tirukkoyilur | 604307, 606209 |
| Sathiram, Tirukkoyilur | 605755 |
| Sathiyakandanur, Tirukkoyilur | 605755 |
| Sellankuppam, Tirukkoyilur | 605754 |
| Sengamedu, Tirukkoyilur | 605701 |
| Senganankollai, Tirukkoyilur | 605751 |
| Sennakunam, Tirukkoyilur | 605755 |
| Sethur, Tirukkoyilur | 607203 |
| Sirumadurai, Tirukkoyilur | 607203 |