In Kinnaur district, Himachal Pradesh, PIN code 172115 is anchored by Nathpa BO, a Branch Post Office. Mail addressed to this code is sorted through the Northern Postal Region, across 5 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Nathpa BO | BO | Branch Post Office |
| Ponda Solding BO | BO | Branch Post Office |
| Sungra BO | BO | Branch Post Office |
| Bari BO | BO | Branch Post Office |
| Bhaba Nagar SO | SO | Sub Post Office |
