If you are searching for Pin Code 400001, this is one of the most important postal codes in Mumbai. The 400001 PIN Code mainly covers the Fort area and nearby regions in South Mumbai, which is a major business and administrative hub of India.
In this detailed guide, you will find the complete list of post offices under 400001, delivery details, location coverage, and important facts that help you understand this PIN code better.
📍 What is PIN Code 400001?
The 400001 PIN Code belongs to South Mumbai (Fort region) in Maharashtra. It is one of the oldest and most prominent postal zones in India.
- PIN Code: 400001
- Region: Maharashtra Circle
- District: Mumbai
- Area Covered: Fort, Ballard Estate, GPO area
- Delivery Status: ✅ Delivery Available
This PIN code is widely used for government offices, banks, corporate headquarters, and heritage buildings.
🏤 Post Offices Under 400001
Here is the main post office list under 400001 PIN Code:
1. Mumbai G.P.O (General Post Office)
- Post Office Type: Head Office (H.O)
- Delivery Status: Available
- Location: Near CST / Fort Area
👉 The Mumbai General Post Office is the central and most important post office in this PIN code.
💡 Important Note:
PIN Code 400001 is primarily served by one major head post office, and all nearby sub-areas are handled through this central office.
📌 Areas Covered Under 400001
The 400001 PIN Code area includes some of the most prime locations of Mumbai:
- 400001 – Mumbai GPO
MUMBAI, MAHARASHTRA - 400001 – Town Hall SO Mumbai
MUMBAI, MAHARASHTRA - 400001 – Bazargate SO
MUMBAI, MAHARASHTRA - 400001 – Stock Exchange SO
MUMBAI, MAHARASHTRA - 400001 – Tajmahal SO
MUMBAI, MAHARASHTRA - 400001 – MPT SO
MUMBAI, MAHARASHTRA
These locations are known for historical buildings, financial institutions, and government offices.
🚚 Delivery & Postal Services
The Mumbai 400001 PIN Code offers full postal services:
- Speed Post ✅
- Registered Post ✅
- Parcel Services ✅
- Money Order ✅
- Business Mail Services ✅
Since this is a Head Post Office zone, services are fast and reliable compared to smaller branch offices.
📊 Why 400001 PIN Code is Important?
This PIN code is not just a number — it represents the financial and administrative heart of India.
✔ Covers RBI, banks, and corporate HQs
✔ One of the oldest postal zones in India
✔ High volume of official communication
✔ Prime commercial location
Because of this, 400001 is one of the most searched PIN codes in India.
Top Population States in India
| State | Population (2011 Census) |
|---|---|
| Uttar Pradesh Population | 199,812,341 |
| Maharashtra Population | 112,374,333 |
| Bihar Population | 104,099,452 |
| West Bengal Population | 91,276,115 |
| Andhra Pradesh Population | 84,580,777 |
| Madhya Pradesh Population | 72,626,809 |
| Tamil Nadu Population | 72,147,030 |
| Rajasthan Population | 68,548,437 |
| Karnataka Population | 61,095,297 |
These population data are based on Census 2011 and help understand India’s demographic distribution.
❓ FAQs – PIN Code 400001
It belongs to Mumbai, Maharashtra.
Yes, it is a fully functional delivery PIN code.
Mumbai G.P.O is the main head post office.
Fort, Ballard Estate, and nearby South Mumbai regions.
Yes, it is widely used for banks, corporates, and government offices.
🔎 Final Thoughts
If you are dealing with Pin Code 400001, you are essentially connected to the core of Mumbai’s business and government ecosystem. With the presence of the Mumbai G.P.O, this PIN code ensures efficient and fast postal services.
Whether you are sending official documents or verifying an address, 400001 is one of the most reliable PIN codes in India.
