| Place | Post Code |
|---|---|
| Periaobulapuam, Gummidipoondi | 601201 |
| Periapuliyur, Gummidipoondi | 601206 |
| Poovalai, Gummidipoondi | 601201 |
| Pudupalayam, Gummidipoondi | 601101 |
| Puduvoyal, Gummidipoondi | 601206 |
| Puvalambedu, Gummidipoondi | 601206 |
| Rettambedu, Gummidipoondi | 601201 |
| Sanaputhur, Gummidipoondi | 601201 |
| Sennavaram, Gummidipoondi | 601201 |
| Sepedu, Gummidipoondi | 601101 |
| Siddharajakandigai, Gummidipoondi | 601201 |
| Sinthalakuppam, Gummidipoondi | 601201 |
| Sirupulalpettai, Gummidipoondi | 601201 |
| Siruvada, Gummidipoondi | 601202 |
| Soorapundi, Gummidipoondi | 601201 |
| Sunnambukulam, Gummidipoondi | 601201 |
| Tervali, Gummidipoondi | 601201 |
| Thandalacheri, Gummidipoondi | 601201 |
| Thervoy, Gummidipoondi | 601202 |
| Thurapallam, Gummidipoondi | 601201 |
| Vaniamallee, Gummidipoondi | 601202 |
| Vazhuthalambedu, Gummidipoondi | 601201 |
| Venkuzhi, Gummidipoondi | 601102 |
| Verkadu, Gummidipoondi | 601201 |