Kalvasal Bo — Pincode 606903
Tiruvannamalai, Tamil Nadu
📍 Location Map — Pincode 606903
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 606903
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Kalvasal Bo | BO | ✓ Yes | Tiruvannamalai |
| Mukkurumbai Bo | BO | ✓ Yes | Tiruvannamalai |
| Kamakkur Bo | BO | ✓ Yes | Tiruvannamalai |
| Nadukuppam Bo | BO | ✓ Yes | Tiruvannamalai |
| Pulavanpadi Bo | BO | ✓ Yes | Tiruvannamalai |
| Kasthambadi Bo | BO | ✓ Yes | Tiruvannamalai |
| Pungambadi Bo | BO | ✓ Yes | Tiruvannamalai |
| Kalambur So | PO | ✓ Yes | Tiruvannamalai |
🔢 How Pincode 606903 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 606 routes mail to the sorting office serving Tiruvannamalai in Tamil Nadu.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 90 identifies the specific delivery area within Tiruvannamalai.
The final digit identifies the specific post office. Office 3 designates Kalvasal Bo in Tiruvannamalai.
❓ Frequently Asked Questions
What is the pincode for Kalvasal Bo?
The pincode for Kalvasal Bo is 606903. It is a BO located in Tiruvannamalai, Tamil Nadu.
How many post offices are in pincode 606903?
There are 8 post offices operating under pincode 606903 in Tiruvannamalai, Tamil Nadu.
Is delivery available at pincode 606903?
Yes, delivery is available at pincode 606903 through Kalvasal Bo and its associated offices.
Which district does pincode 606903 belong to?
Pincode 606903 is located in Tiruvannamalai district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 606903 in?
Pincode 606903 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 606903 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.