Adichanallur So — Pincode 691573
Kollam, Kerala
📍 Location Map — Pincode 691573
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 691573
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Adichanallur So | PO | ✓ Yes | Kollam |
| Velichikala Bo | BO | ✓ Yes | Kollam |
| Kummallur Bo | BO | ✓ Yes | Kollam |
🔢 How Pincode 691573 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 (69) identify the sub-zone. All pincodes in Kerala / Lakshadweep begin with 69.
The third digit narrows to a sorting district. The prefix 691 routes mail to the sorting office serving Kollam in Kerala.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 57 identifies the specific delivery area within Kollam.
The final digit identifies the specific post office. Office 3 designates Adichanallur So in Kollam.
❓ Frequently Asked Questions
What is the pincode for Adichanallur So?
The pincode for Adichanallur So is 691573. It is a PO located in Kollam, Kerala.
How many post offices are in pincode 691573?
There are 3 post offices operating under pincode 691573 in Kollam, Kerala.
Is delivery available at pincode 691573?
Yes, delivery is available at pincode 691573 through Adichanallur So and its associated offices.
Which district does pincode 691573 belong to?
Pincode 691573 is located in Kollam district in the state of Kerala. It falls under the Kerala postal circle.
What postal zone is pincode 691573 in?
Pincode 691573 falls in Zone 6 — Southern India. The sub-zone prefix 69 corresponds to Kerala / Lakshadweep.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 691573 is served by a PO.
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.