Coonoor H.O — Pincode 643101
The Nilgiris, Tamil Nadu
📍 Location Map — Pincode 643101
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 643101
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Coonoor H.O | HO | ✓ Yes | The Nilgiris |
🔢 How Pincode 643101 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 (64) identify the sub-zone. All pincodes in Tamil Nadu begin with 64.
The third digit narrows to a sorting district. The prefix 643 routes mail to the sorting office serving The Nilgiris in Tamil Nadu.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 10 identifies the specific delivery area within The Nilgiris.
The final digit identifies the specific post office. Office 1 designates Coonoor H.O in The Nilgiris.
❓ Frequently Asked Questions
What is the pincode for Coonoor H.O?
The pincode for Coonoor H.O is 643101. It is a HO located in The Nilgiris, Tamil Nadu.
How many post offices are in pincode 643101?
There is 1 post office operating under pincode 643101 in The Nilgiris, Tamil Nadu.
Is delivery available at pincode 643101?
Yes, delivery is available at pincode 643101 through Coonoor H.O and its associated offices.
Which district does pincode 643101 belong to?
Pincode 643101 is located in The Nilgiris district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 643101 in?
Pincode 643101 falls in Zone 6 — Southern India. The sub-zone prefix 64 corresponds to Tamil Nadu.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 643101 is served by a HO.
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.