Kot Kalsia B.O is the primary post office registered under PIN code 135103 in Yamunanagar, Haryana. This code sits within the Northern Postal Region, with 9 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kot Kalsia B.O | BO | Branch Post Office |
| Lalheri Kalan B.O | BO | Branch Post Office |
| Ledi B.O | BO | Branch Post Office |
| Chhachrauli S.O | SO | Sub Post Office |
| Darpur B.O | BO | Branch Post Office |
| Taharpurkalan B.O | BO | Branch Post Office |
| Balachaur B.O | BO | Branch Post Office |
| Bilauli B.O | BO | Branch Post Office |
| Salimpur Banger B.O | BO | Branch Post Office |
