Atarsan BO is the primary post office registered under PIN code 841204 in Saran, Bihar. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Atarsan BO | BO | Branch Post Office |
| Asahani BO | BO | Branch Post Office |
| Dohar BO | BO | Branch Post Office |
| Chainwa SO | SO | Sub Post Office |
| Chanchaura BO | BO | Branch Post Office |
| Eksar BO | BO | Branch Post Office |
| Rasualpur Chatti BO | BO | Branch Post Office |
