Mamai is a Branch Post Office (B.O.) located in the Tarapur block of the Munger district in Bihar, India. The delivery status of this post office is available. It is part of the Bhagalpur division of the Patna HQ. The pincode of Mamai is 813201.

PIN codes, also known as postal codes, help streamline mail delivery in India. Let's break down the different parts of Mamai's PIN code, 813201:

• (81): This identifies the postal circle, which is a region group of states. In this case, "81" represents the Bihar postal circle.
• (813) : These digits represent the sorting district. Here, "813" points to the Munger district within Bihar. Mail for this area is sorted here before final delivery.
• (201) : These pinpoint the specific delivery office within the sorting district. For Mamai, "201" corresponds to the Mamai Branch Office.