Eraiyur Bo — Pincode 604304
Villupuram, Tamil Nadu
📍 Location Map — Pincode 604304
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 604304
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Eraiyur Bo | BO | ✓ Yes | Villupuram |
| Thaludali Bo | BO | ✓ Yes | Villupuram |
| Veliyanur Bo | BO | ✓ Yes | Villupuram |
| Tiruvakkarai Bo | BO | ✓ Yes | Villupuram |
| Perumbakkam Bo | BO | ✓ Yes | Villupuram |
| Mailam So | PO | ✓ Yes | Villupuram |
| Padirapuliyur Bo | BO | ✓ Yes | Villupuram |
🔢 How Pincode 604304 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 604 routes mail to the sorting office serving Villupuram in Tamil Nadu.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 30 identifies the specific delivery area within Villupuram.
The final digit identifies the specific post office. Office 4 designates Eraiyur Bo in Villupuram.
❓ Frequently Asked Questions
What is the pincode for Eraiyur Bo?
The pincode for Eraiyur Bo is 604304. It is a BO located in Villupuram, Tamil Nadu.
How many post offices are in pincode 604304?
There are 7 post offices operating under pincode 604304 in Villupuram, Tamil Nadu.
Is delivery available at pincode 604304?
Yes, delivery is available at pincode 604304 through Eraiyur Bo and its associated offices.
Which district does pincode 604304 belong to?
Pincode 604304 is located in Villupuram district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 604304 in?
Pincode 604304 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 604304 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.