Harpur is a Branch Post Office (B.O.) located in the Raxaul block of the East Champaran district in Bihar, India. The delivery status of this post office is available. It is part of the East Champaran division of the Muzaffarpur. The pincode of Harpur is 845301.

PIN codes, also known as postal codes, help streamline mail delivery in India. Let's break down the different parts of Harpur's PIN code, 845301:

• (84): This identifies the postal circle, which is a region group of states. In this case, "84" represents the Bihar postal circle.
• (845) : These digits represent the sorting district. Here, "845" points to the East Champaran district within Bihar. Mail for this area is sorted here before final delivery.
• (301) : These pinpoint the specific delivery office within the sorting district. For Harpur, "301" corresponds to the Harpur Branch Office.