| Post office | Halakkarai B.O |
| Pin code | 643103 |
| Office type | B.O |
| Taluk / city | Kotagiri |
| District name | Nilgiris |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Nilgiris |
| Region name | Coimbatore |
| Circle name | Tamilnadu |
| Related sub office | Pasteur Institute S.O |
| Related head office | Coonoor H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 643103 | Pasteur Institute S.O | Coonoor | Nilgiris | Tamil Nadu |
| 643103 | Yedappalli B.O | Coonoor | Nilgiris | Tamil Nadu |
| 643103 | Halakkarai B.O | Kotagiri | Nilgiris | Tamil Nadu |