Keeranur B.O — Pincode 609403
Thiruvarur, Tamil Nadu
📍 Location Map — Pincode 609403
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 609403
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Keeranur B.O | BO | ✓ Yes | Thiruvarur |
| A. Kiliyanur B.O | BO | ✓ Yes | Thiruvarur |
| Pillur B.O | BO | ✓ Yes | Thiruvarur |
| Sirupuliyur B.O | BO | ✓ Yes | Thiruvarur |
| Kaliyakudi B.O | BO | ✓ Yes | Thiruvarur |
| Nedungulam B.O | BO | ✓ Yes | Thiruvarur |
| Pavattakudi B.O | BO | ✓ Yes | Thiruvarur |
| Kollumangudi S.O | PO | ✓ Yes | Thiruvarur |
🔢 How Pincode 609403 is Constructed
Every Indian PIN (Postal Index Number) code is a 6-digit number. Each digit group encodes geographic and administrative information about the delivery area.
The first digit identifies one of India's 9 postal zones. Zone 6 covers Tamil Nadu, Kerala, Lakshadweep, Puducherry.
The first two digits together (60) identify the sub-zone. All pincodes in Tamil Nadu begin with 60.
The third digit narrows to a sorting district. The prefix 609 routes mail to the sorting office serving Thiruvarur in Tamil Nadu.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 40 identifies the specific delivery area within Thiruvarur.
The final digit identifies the specific post office. Office 3 designates Keeranur B.O in Thiruvarur.
❓ Frequently Asked Questions
What is the pincode for Keeranur B.O?
The pincode for Keeranur B.O is 609403. It is a BO located in Thiruvarur, Tamil Nadu.
How many post offices are in pincode 609403?
There are 8 post offices operating under pincode 609403 in Thiruvarur, Tamil Nadu.
Is delivery available at pincode 609403?
Yes, delivery is available at pincode 609403 through Keeranur B.O and its associated offices.
Which district does pincode 609403 belong to?
Pincode 609403 is located in Thiruvarur district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 609403 in?
Pincode 609403 falls in Zone 6 — Southern India. The sub-zone prefix 60 corresponds to Tamil Nadu.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 609403 is served by a BO.
The primary administrative hub for a postal division, overseeing all sub-offices and branch offices in its area.
The chief post office of a major city or state, handling the largest mail volume and often housing the Postmaster General.
Operates under an HPO, providing all standard postal services in urban and semi-urban areas.
The smallest tier, typically in rural areas. India has over 130,000 branch offices — the largest postal network in the world.