Kokrajhar STD Code
| City | Kokrajhar |
| STD Code | 03661 |
| District | Bongaigaon (Kokrajhar) |
| State | Assam |
STD Code of Kokrajhar is 03661. This city is located in Bongaigaon (Kokrajhar) district of Assam state in India. To call landline phones of Kokrajhar, you must add 03661 before the number.