Hasanganj STD Code
| City | Hasanganj |
| STD Code | 05143 |
| District | Unnao |
| State | Uttar Pradesh - East |
STD Code of Hasanganj is 05143. This city is located in Unnao district of Uttar Pradesh - East state in India. To call landline phones of Hasanganj, you must add 05143 before the number.