Numbal Bo — Pincode 600077
Thiruvallur, Tamil Nadu
📍 Location Map — Pincode 600077
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 600077
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Numbal Bo | BO | — | Thiruvallur |
| Thiruverkadu So | PO | ✓ Yes | Thiruvallur |
| Ayapakkam Bo | BO | — | Chennai |
| Veeraraghavapuram Bo | BO | — | Thiruvallur |
🔢 How Pincode 600077 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 600 routes mail to the sorting office serving Thiruvallur in Tamil Nadu.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 07 identifies the specific delivery area within Thiruvallur.
The final digit identifies the specific post office. Office 7 designates Numbal Bo in Thiruvallur.
❓ Frequently Asked Questions
What is the pincode for Numbal Bo?
The pincode for Numbal Bo is 600077. It is a BO located in Thiruvallur, Tamil Nadu.
How many post offices are in pincode 600077?
There are 4 post offices operating under pincode 600077 in Thiruvallur, Tamil Nadu.
Is delivery available at pincode 600077?
Delivery status varies by office under pincode 600077. Please check with the specific post office for delivery availability.
Which district does pincode 600077 belong to?
Pincode 600077 is located in Thiruvallur district in the state of Tamil Nadu. It falls under the Tamilnadu postal circle.
What postal zone is pincode 600077 in?
Pincode 600077 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 600077 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.