Krishnagiri STD Code
| City | Krishnagiri |
| STD Code | 04343 |
| District | Dharmapuri |
| State | Tamilnadu |
STD Code of Krishnagiri is 04343. This city is located in Dharmapuri district of Tamilnadu state in India. To call landline phones of Krishnagiri, you must add 04343 before the number.