Keotalia BO is the primary post office registered under PIN code 841234 in Siwan, Bihar. This code sits within the Eastern Postal Region, with 8 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Keotalia BO | BO | Branch Post Office |
| Sareyarampur BO | BO | Branch Post Office |
| Amarpur BO | BO | Branch Post Office |
| Bishwania BO | BO | Branch Post Office |
| Krishnapali BO | BO | Branch Post Office |
| Darauli SO | SO | Sub Post Office |
| Balahu BO | BO | Branch Post Office |
| Gauri BO | BO | Branch Post Office |
