Nallathur Branch Office — Pincode 609603
Karaikal, Puducherry
📍 Location Map — Pincode 609603
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 609603
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Nallathur Branch Office | BO | ✓ Yes | Karaikal |
| Tirukottaram Branch Office | BO | ✓ Yes | Thiruvarur |
| Nedungadu Sub Office | PO | ✓ Yes | Karaikal |
| Melakasakudi Branch Office | BO | ✓ Yes | Karaikal |
| Kurumbagaram Branch Office | BO | ✓ Yes | Karaikal |
| Velangudi Branch Office | BO | ✓ Yes | Thiruvarur |
🔢 How Pincode 609603 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 Karaikal in Puducherry.
Route 60 identifies the specific delivery area within Karaikal.
The final digit identifies the specific post office. Office 3 designates Nallathur Branch Office in Karaikal.
❓ Frequently Asked Questions
What is the pincode for Nallathur Branch Office?
The pincode for Nallathur Branch Office is 609603. It is a BO located in Karaikal, Puducherry.
How many post offices are in pincode 609603?
There are 6 post offices operating under pincode 609603 in Karaikal, Puducherry.
Is delivery available at pincode 609603?
Yes, delivery is available at pincode 609603 through Nallathur Branch Office and its associated offices.
Which district does pincode 609603 belong to?
Pincode 609603 is located in Karaikal district in the state of Puducherry. It falls under the Tamilnadu postal circle.
What postal zone is pincode 609603 in?
Pincode 609603 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 609603 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.