STD Codes of cities in Tamilnadu
Tamilnadu has one hundred thirty STD Codes for telephone calling.
| District | City |
|---|---|
| Chennai | STD Code of Chennai |
| Pondichery | STD Code of Pondicherry |
| Vellore | STD Code of Vellore |
| Coimbatore | STD Code of Tirupur |
| Coimbatore | STD Code of Coimbatore |
| Ooty | STD Code of Ootacamund |
| Erode | STD Code of Erode |
| Salem | STD Code of Salem |
| Trichy | STD Code of Trichy |
| Thanjavur | STD Code of Kumbakonam |
| Madurai | STD Code of Dindigul |
| Madurai | STD Code of Madurai |
| Tuticorin | STD Code of Tuticorin |
| Tirunelvelli | STD Code of Tirunelvelli |
| Chengalpattu (Kancheepuram) | STD Code of Sriperumpudur |
| Chengalpattu | STD Code of Kancheepuram |
| Chengalpattu (Kancheepuram) | STD Code of Chengalpattu |
| Chengalpattu (Kancheepuram) | STD Code of Madurantagam |
| Chengalpattu (Kancheepuram) | STD Code of Tiruvellore |
| Chengalpattu | STD Code of Tiruttani |
| Chengalpattu | STD Code of Ponneri |
| Cuddalore | STD Code of Cuddalore |
| Cuddalore | STD Code of Virudhachalam |
| Cuddalore | STD Code of Chidambaram |
| Cuddalore | STD Code of Gingee |