PIN code 172110 belongs to Giabong 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 |
|---|---|---|
| Giabong BO | BO | Branch Post Office |
| Shiaso BO | BO | Branch Post Office |
| Speelo SO | SO | Sub Post Office |
| Nesang BO | BO | Branch Post Office |
| Sunnam BO | BO | Branch Post Office |
| Labrang BO | BO | Branch Post Office |
| Ropa BO | BO | Branch Post Office |
| Kanam BO | BO | Branch Post Office |
