Nathanallur Branch Office — Pincode 631605
Kanchipuram, Tamil Nadu
📍 Location Map — Pincode 631605
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 631605
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Nathanallur Branch Office | BO | ✓ Yes | Kanchipuram |
| Avalur Branch Office | BO | ✓ Yes | Kanchipuram |
| Puliambakkam Branch Office | BO | ✓ Yes | Kanchipuram |
| Thammanur Branch Office | BO | ✓ Yes | Kanchipuram |
| Uttukadu Branch Office | BO | ✓ Yes | Kanchipuram |
| Asoor Branch Office | BO | ✓ Yes | Kanchipuram |
| Walajabad Sub Office | PO | ✓ Yes | Kanchipuram |
🔢 How Pincode 631605 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 (63) identify the sub-zone. All pincodes in Tamil Nadu begin with 63.
The third digit narrows to a sorting district. The prefix 631 routes mail to the sorting office serving Kanchipuram in Tamil Nadu.
Route 60 identifies the specific delivery area within Kanchipuram.
The final digit identifies the specific post office. Office 5 designates Nathanallur Branch Office in Kanchipuram.
❓ Frequently Asked Questions
What is the pincode for Nathanallur Branch Office?
The pincode for Nathanallur Branch Office is 631605. It is a BO located in Kanchipuram, Tamil Nadu.
How many post offices are in pincode 631605?
There are 7 post offices operating under pincode 631605 in Kanchipuram, Tamil Nadu.
Is delivery available at pincode 631605?
Yes, delivery is available at pincode 631605 through Nathanallur Branch Office and its associated offices.
Which district does pincode 631605 belong to?
Pincode 631605 is located in Kanchipuram district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 631605 in?
Pincode 631605 falls in Zone 6 — Southern India. The sub-zone prefix 63 corresponds to Tamil Nadu.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 631605 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.