| Place | Post Code |
|---|---|
| Siruvangunam, Maduranthakam | 603307, 603312 |
| Sithandi, Maduranthakam | 603106 |
| Soorai, Maduranthakam | 603314 |
| Thandalam, Maduranthakam | 603306, 603303 |
| Thandarai, Maduranthakam | 603306 |
| Thatchur, Maduranthakam | 603306 |
| Theetalam, Maduranthakam | 603406 |
| Thimmapuram, Maduranthakam | 603201 |
| Thinnalur, Maduranthakam | 603307 |
| Thirumukkadu, Maduranthakam | 603301 |
| Thottanaval, Maduranthakam | 603303 |
| Thozhupedu, Maduranthakam | 603310 |
| Thuraiyur, Maduranthakam | 603310 |
| Uludamangalam, Maduranthakam | 603303 |
| Unamalai, Maduranthakam | 603306 |
| Uthamanallur, Maduranthakam | 603301 |
| Vadamanipakkam, Maduranthakam | 603307 |
| Vaippanai, Maduranthakam | 603406 |
| Vaiyavur, Maduranthakam | 603308 |
| Valarbirai, Maduranthakam | 603303 |
| Valayaputhur, Maduranthakam | 603314 |
| Vasanthavadi, Maduranthakam | 603319 |
| Vedal, Maduranthakam | 603304, 631561 |
| Vedanthangal, Maduranthakam | 603314 |
| Vedavakkam, Maduranthakam | 603303 |
| Veeranakunnam, Maduranthakam | 603306 |