Karaikudi STD Code
| City | Karaikudi |
| STD Code | 04565 |
| District | Karaikudi |
| State | Tamilnadu |
STD Code of Karaikudi is 04565. This city is located in Karaikudi district of Tamilnadu state in India. To call landline phones of Karaikudi, you must add 04565 before the number.