Chalahal BO is the primary post office registered under PIN code 171103 in Shimla, Himachal Pradesh. This code sits within the Northern Postal Region, with 8 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Chalahal BO | BO | Branch Post Office |
| Okharoo BO | BO | Branch Post Office |
| Thachi BO | BO | Branch Post Office |
| Dhami SO | SO | Sub Post Office |
| Chanawag BO | BO | Branch Post Office |
| Jabri BO | BO | Branch Post Office |
| Sainj BO | BO | Branch Post Office |
| Toon BO | BO | Branch Post Office |
