Annallur Bo — Pincode 680731
Thrissur, Kerala
📍 Location Map — Pincode 680731
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 680731
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Annallur Bo | BO | ✓ Yes | Thrissur |
| Kottat Bo | BO | — | Thrissur |
| Ashtamichira So | PO | ✓ Yes | Thrissur |
🔢 How Pincode 680731 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 (68) identify the sub-zone. All pincodes in Kerala begin with 68.
The third digit narrows to a sorting district. The prefix 680 routes mail to the sorting office serving Thrissur in Kerala.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 73 identifies the specific delivery area within Thrissur.
The final digit identifies the specific post office. Office 1 designates Annallur Bo in Thrissur.
❓ Frequently Asked Questions
What is the pincode for Annallur Bo?
The pincode for Annallur Bo is 680731. It is a BO located in Thrissur, Kerala.
How many post offices are in pincode 680731?
There are 3 post offices operating under pincode 680731 in Thrissur, Kerala.
Is delivery available at pincode 680731?
Yes, delivery is available at pincode 680731 through Annallur Bo and its associated offices.
Which district does pincode 680731 belong to?
Pincode 680731 is located in Thrissur district in the state of Kerala. It falls under the Kerala postal circle.
What postal zone is pincode 680731 in?
Pincode 680731 falls in Zone 6 — Southern India. The sub-zone prefix 68 corresponds to Kerala.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 680731 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.