Kolkata General Post Office — Pincode 700001
Kolkata, West Bengal
📍 Location Map — Pincode 700001
Shaded area shows approximate coverage. Map data © OpenStreetMap contributors.
🏤 Post Offices under Pincode 700001
| Office Name | Type | Delivery | District |
|---|---|---|---|
| Council House Street Sub Office | PO | — | Kolkata |
| Khengrapatti Sub Office | PO | — | Kolkata |
| West Bengal Assembly Po | PO | — | Kolkata |
| New Secretariat Building Sub Office | PO | — | Kolkata |
| Reserve Bank Building Sub Office | PO | — | Kolkata |
| Telephone Bhawan Sub Office | PO | — | Kolkata |
| Kolkata General Post Office | HO | ✓ Yes | Kolkata |
| Customs House Sub Office | PO | — | Kolkata |
| Lalbazar Sub Office | PO | — | Kolkata |
| Radhabazar Sub Office | PO | — | Kolkata |
| Treasury Building Sub Office | PO | — | Kolkata |
| R N Mukherjee Road Sub Office | PO | — | Kolkata |
| Writers Building Sub Office | PO | — | Kolkata |
🔢 How Pincode 700001 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 (70) identify the sub-zone. All pincodes in West Bengal (Kolkata) begin with 70.
The third digit narrows to a sorting district. The prefix 700 routes mail to the sorting office serving Kolkata in West Bengal.
Route 00 is reserved for the Head Post Office itself.
The final digit identifies the specific post office. Office 1 designates Kolkata General Post Office in Kolkata.
❓ Frequently Asked Questions
What is the pincode for Kolkata General Post Office?
The pincode for Kolkata General Post Office is 700001. It is a HO located in Kolkata, West Bengal.
How many post offices are in pincode 700001?
There are 13 post offices operating under pincode 700001 in Kolkata, West Bengal.
Is delivery available at pincode 700001?
Yes, delivery is available at pincode 700001 through Kolkata General Post Office and its associated offices.
Which district does pincode 700001 belong to?
Pincode 700001 is located in Kolkata district in the state of West Bengal. It falls under the West Bengal postal circle.
What postal zone is pincode 700001 in?
Pincode 700001 falls in Zone 7 — Eastern India. The sub-zone prefix 70 corresponds to West Bengal (Kolkata).
🏤 Types of Post Offices in India
India Post operates a hierarchical network. Pincode 700001 is served by a HO.
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.