8412404 post offices

Mahuwal Mahal SO is the primary post office registered under PIN code 841240 in Siwan, Bihar. This code sits within the Eastern Postal Region, with 4 offices operating under it.

Post office	Type	Full name
Mahuwal Mahal SO	SO	Sub Post Office
Chandparsa BO	BO	Branch Post Office
Merhi BO	BO	Branch Post Office
Tarwaparsa BO	BO	Branch Post Office

Verified Q3 2026Data compiled from Department of Posts gazettes & active circle registers.

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Digit 1 (8)Eastern Region — Bihar & Jharkhand

DistrictSiwan

StateBihar

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