Jonki is a Branch Post Office (B.O.) located in the Jaynagar block of the Madhubani district in Bihar, India. The delivery status of this post office is available. It is part of the Madhubani division of the Muzaffarpur. The pincode of Jonki is 847225.

PIN codes, also known as postal codes, help streamline mail delivery in India. Let's break down the different parts of Jonki's PIN code, 847225:

• (84): This identifies the postal circle, which is a region group of states. In this case, "84" represents the Bihar postal circle.
• (847) : These digits represent the sorting district. Here, "847" points to the Madhubani district within Bihar. Mail for this area is sorted here before final delivery.
• (225) : These pinpoint the specific delivery office within the sorting district. For Jonki, "225" corresponds to the Jonki Branch Office.