Dadar is a Branch Post Office (B.O.) located in the Mohania block of the Kaimur (Bhabua) district in Bihar, India. The delivery status of this post office is available. It is part of the Rohtas division of the Patna HQ. The pincode of Dadar is 821109.

PIN codes, also known as postal codes, help streamline mail delivery in India. Let's break down the different parts of Dadar's PIN code, 821109:

• (82): This identifies the postal circle, which is a region group of states. In this case, "82" represents the Bihar postal circle.
• (821) : These digits represent the sorting district. Here, "821" points to the Kaimur (Bhabua) district within Bihar. Mail for this area is sorted here before final delivery.
• (109) : These pinpoint the specific delivery office within the sorting district. For Dadar, "109" corresponds to the Dadar Branch Office.