Madana Kalan BO is the primary post office registered under PIN code 124102 in Jhajjar, Haryana. This code sits within the Northern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Madana Kalan BO | BO | Branch Post Office |
| Seria BO | BO | Branch Post Office |
| Chamanpura BO | BO | Branch Post Office |
| Birdhana BO | BO | Branch Post Office |
| Mehrana BO | BO | Branch Post Office |
| Dujana SO | SO | Sub Post Office |
