Kalwa S.O — Pincode 400605
Thane, Maharashtra
📍 Location Map — Pincode 400605
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 400605
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Kalwa S.O | PO | ✓ Yes | Thane |
🔢 How Pincode 400605 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 4 covers Maharashtra, Goa, Madhya Pradesh, Chhattisgarh.
The first two digits together (40) identify the sub-zone. All pincodes in Maharashtra (Mumbai) begin with 40.
The third digit narrows to a sorting district. The prefix 400 routes mail to the sorting office serving Thane in Maharashtra.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 60 identifies the specific delivery area within Thane.
The final digit identifies the specific post office. Office 5 designates Kalwa S.O in Thane.
❓ Frequently Asked Questions
What is the pincode for Kalwa S.O?
The pincode for Kalwa S.O is 400605. It is a PO located in Thane, Maharashtra.
How many post offices are in pincode 400605?
There is 1 post office operating under pincode 400605 in Thane, Maharashtra.
Is delivery available at pincode 400605?
Yes, delivery is available at pincode 400605 through Kalwa S.O and its associated offices.
Which district does pincode 400605 belong to?
Pincode 400605 is located in Thane district in the state of Maharashtra. It falls under the Maharashtra postal circle.
What postal zone is pincode 400605 in?
Pincode 400605 falls in Zone 4 — Western & Central India. The sub-zone prefix 40 corresponds to Maharashtra (Mumbai).
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 400605 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.