Faridabad Sector 9 SO is the primary post office registered under PIN code 121006 in Faridabad, Haryana. This code sits within the Northern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Faridabad Sector 9 SO | SO | Sub Post Office |
| GT Road Faridabad SO | SO | Sub Post Office |
| Faridabad Sector 7 SO | SO | Sub Post Office |
| Faridabad Sector 8 SO | SO | Sub Post Office |
