Madderu is a Branch Post Office (B.O.) located in the Holalkere block of the Chitradurga district in Karnataka, India. The delivery status of this post office is available. It is part of the Chitradurga division of the South Karnataka. The pincode of Madderu is 577527.

PIN codes, also known as postal codes, help streamline mail delivery in India. Let's break down the different parts of Madderu's PIN code, 577527:

• (57): This identifies the postal circle, which is a region group of states. In this case, "57" represents the Karnataka postal circle.
• (577) : These digits represent the sorting district. Here, "577" points to the Chitradurga district within Karnataka. Mail for this area is sorted here before final delivery.
• (527) : These pinpoint the specific delivery office within the sorting district. For Madderu, "527" corresponds to the Madderu Branch Office.