Khanpur Kalan BO is the primary post office registered under PIN code 131305 in Sonipat, Haryana. This code sits within the Northern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Khanpur Kalan BO | BO | Branch Post Office |
| Ganewari BO | BO | Branch Post Office |
| Saragthal BO | BO | Branch Post Office |
| Kanyagurukul Khanpur SO | SO | Sub Post Office |
| Kasandi BO | BO | Branch Post Office |
