Haldia So — Pincode 721604
Medinipur East, West Bengal
📍 Location Map — Pincode 721604
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 721604
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Haldia So | PO | ✓ Yes | Medinipur East |
🔢 How Pincode 721604 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 7 covers West Bengal, Odisha, Assam, NE States, Andaman & Nicobar.
The first two digits together (72) identify the sub-zone. All pincodes in West Bengal begin with 72.
The third digit narrows to a sorting district. The prefix 721 routes mail to the sorting office serving Medinipur East in West Bengal.
Digits 4–5 identify the delivery route or sub-area within the sorting district. Route 60 identifies the specific delivery area within Medinipur East.
The final digit identifies the specific post office. Office 4 designates Haldia So in Medinipur East.
❓ Frequently Asked Questions
What is the pincode for Haldia So?
The pincode for Haldia So is 721604. It is a PO located in Medinipur East, West Bengal.
How many post offices are in pincode 721604?
There is 1 post office operating under pincode 721604 in Medinipur East, West Bengal.
Is delivery available at pincode 721604?
Yes, delivery is available at pincode 721604 through Haldia So and its associated offices.
Which district does pincode 721604 belong to?
Pincode 721604 is located in Medinipur East district in the state of West Bengal. It falls under the West Bengal postal circle.
What postal zone is pincode 721604 in?
Pincode 721604 falls in Zone 7 — Eastern India. The sub-zone prefix 72 corresponds to West Bengal.
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 721604 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.