Shiwan BO is the primary post office registered under PIN code 172027 in Shimla, Himachal Pradesh. This code sits within the Northern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Shiwan BO | BO | Branch Post Office |
| Teshan BO | BO | Branch Post Office |
| Baragaon SO Shimla | OTHER | post office |
