Contact Address: Postmaster, Post Office CHAINPUR (SIWAN) (SUB OFFICE), CHAINPUR MOBARAKPUR, ALL AREAS UNDER POST OFFICE, , , SIWAN, BIHAR, India (IN), Pin Code:- 841203

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Post Office: CHAINPUR (SIWAN)
Post Office Type: SUB OFFICE
District: SIWAN
State: BIHAR
Pin Code: 841203