PIN code 172104 belongs to Mirro BO (Branch Post Office), located in Kinnaur district, Himachal Pradesh. It falls under the Northern Postal Region and is served by 8 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Mirro BO | BO | Branch Post Office |
| Ramni BO | BO | Branch Post Office |
| Yulla BO | BO | Branch Post Office |
| Chagaon BO | BO | Branch Post Office |
| Panvi BO | BO | Branch Post Office |
| Urni BO | BO | Branch Post Office |
| Wangtoo BO | BO | Branch Post Office |
| Tapri SO | SO | Sub Post Office |
