Dehradun STD Code
| City | Dehradun |
| STD Code | 0135 |
| District | Dehradun |
| State | Uttar Pradesh - West |
STD Code of Dehradun is 0135. This city is located in Dehradun district of Uttar Pradesh - West state in India. To call landline phones of Dehradun, you must add 0135 before the number.