H.B.Halli STD Code
| City | H.B.Halli |
| STD Code | 08397 |
| District | Bellary |
| State | Karnataka |
STD Code of H.B.Halli is 08397. This city is located in Bellary district of Karnataka state in India. To call landline phones of H.B.Halli, you must add 08397 before the number.