Ainavolu is a Branch Post Office (B.O.) located in the Tulluru block of the Guntur district in Andhra Pradesh, India. The delivery status of this post office is available. It is part of the Guntur division of the Vijayawada. The pincode of Ainavolu is 522237.

PIN codes, also known as postal codes, help streamline mail delivery in India. Let's break down the different parts of Ainavolu's PIN code, 522237:

• (52): This identifies the postal circle, which is a region group of states. In this case, "52" represents the Andhra Pradesh postal circle.
• (522) : These digits represent the sorting district. Here, "522" points to the Guntur district within Andhra Pradesh. Mail for this area is sorted here before final delivery.
• (237) : These pinpoint the specific delivery office within the sorting district. For Ainavolu, "237" corresponds to the Ainavolu Branch Office.