Hardoi-I (Hardoi) STD Code
| City | Hardoi-I (Hardoi) |
| STD Code | 05852 |
| District | Hardoi |
| State | Uttar Pradesh - East |
STD Code of Hardoi-I (Hardoi) is 05852. This city is located in Hardoi district of Uttar Pradesh - East state in India. To call landline phones of Hardoi-I (Hardoi), you must add 05852 before the number.