Karthikeyapuram Branch Office — Pincode 631211
Thiruvallur, Tamil Nadu
📍 Location Map — Pincode 631211
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 631211
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Karthikeyapuram Branch Office | BO | ✓ Yes | Thiruvallur |
| Saraswathinagar Sub Office | PO | ✓ Yes | Thiruvallur |
| Kasavarajpetta Branch Office | BO | ✓ Yes | Thiruvallur |
🔢 How Pincode 631211 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 Thiruvallur in Tamil Nadu.
Route 21 identifies the specific delivery area within Thiruvallur.
The final digit identifies the specific post office. Office 1 designates Karthikeyapuram Branch Office in Thiruvallur.
❓ Frequently Asked Questions
What is the pincode for Karthikeyapuram Branch Office?
The pincode for Karthikeyapuram Branch Office is 631211. It is a BO located in Thiruvallur, Tamil Nadu.
How many post offices are in pincode 631211?
There are 3 post offices operating under pincode 631211 in Thiruvallur, Tamil Nadu.
Is delivery available at pincode 631211?
Yes, delivery is available at pincode 631211 through Karthikeyapuram Branch Office and its associated offices.
Which district does pincode 631211 belong to?
Pincode 631211 is located in Thiruvallur district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 631211 in?
Pincode 631211 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 631211 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.