PinCode: 173030, Kala Amb Post Office, Nahan, Sirmaur, Himachal Pradesh
| Post Office | Kala Amb |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 173030
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| Telephone | 01702-222257 |
| Town/Taluk | Nahan |
| District | Sirmaur |
| State | Himachal Pradesh |
| Postal Division | Solan |
| Postal Region | Shimla HQ |
| Postal Circle | Himachal Pradesh |
List of Other Post Offices in Nahan, Sirmaur, Himachal Pradesh