110001 Pin Code (Connaught Place, New Delhi) – Post Office, Area & District Details 2026

 Introduction

The PIN code 110001 belongs to the New Delhi district in the Union Territory of Delhi, India. It is one of the most important and prestigious postal zones in the country. This PIN code primarily serves the Central Administrative Area of the national capital, covering government ministries, Parliament, Supreme Court, and major business areas such as Connaught Place.

The 110001 zone is managed by the New Delhi General Post Office (GPO), which is located at Sansad Marg. Because it covers many government and public sector offices, this area has multiple sub-offices and counters functioning under the same postal code.


 Basic Postal Information


Field                                            Information
PIN Code                                    110001
Area                                            Central New Delhi
District                                        New Delhi
State / UT                                    Delhi
Post Office Type                         Head Office (New Delhi GPO)
Delivery Status                          Delivery
Region                                         Delhi Postal Region
Circle                                            Delhi Circle

 Post Offices under 110001 PIN Code

The following are some of the major post offices and counters under the 110001 postal zone (as per India Post records):

New Delhi GPO (Head Office)
Sansad Marg HO
Connaught Place SO
Parliament House SO
Bengali Market SO
South Avenue SO

Baroda House SO
BD Directorate
Lady Hardinge Medical College SO
Election Commission SO
NGT Extension Counter
Meghdoot Bhawan (Postal Electrical Sub Division)
Market Road BNPL SP Hub
Chief Engineer (Civil) Division
Civil Sub Division Delhi-III & IV
Superintending Engineer (C) PCC
New Delhi Sorting Division
New Delhi Central Division
Directorate Office
Delhi Circle Office
RML Extension Counter NDHO
MMS Meghdoot Bhawan
DTE DAC Cell
DTE Coordination Section
DTE PO Division
DTE Training Division
DTE CS QA and I Division

All these offices serve various administrative, postal, and technical functions — yet they all fall under the same PIN code 110001 because they are part of the central New Delhi postal network.

 Areas Covered under 110001


The 110001 postal zone covers:

Connaught Place

Parliament Street
Ashoka Road
Sansad Marg
Janpath
Raisina Hill
North and South Avenue areas
Supreme Court region
Government Bhawans and Secretariat buildings

This area also includes several important landmarks like:

Parliament House
Rashtrapati Bhavan (Presidential Estate)
India Gate
Central Secretariat

History of PIN Code 110001 (New Delhi GPO)


PIN Code 110001 is one of the most important and historic postal codes in India. It represents the New Delhi General Post Office (GPO) located in the heart of New Delhi, Delhi.

Origin of New Delhi

The history of this PIN Code is closely connected with the development of New Delhi itself. In 1911, during the Delhi Durbar, the British Government announced the transfer of the capital of India from Kolkata (then Calcutta) to Delhi. After this announcement, the construction of New Delhi began as a planned city.
The city was designed by British architects:
Edwin Lutyens
Herbert Baker
New Delhi was officially inaugurated in 1931.

 Establishment of New Delhi GPO


With the development of administrative buildings and government offices, a central postal facility was required. The New Delhi GPO was established to handle official government communication and public postal services.
The GPO operates under India Post, which introduced the PIN Code system in 1972 to simplify mail sorting and delivery across India. At that time, 110001 was officially assigned to New Delhi GPO.

Modern Significance


Today, 110001 remains a prime postal code covering:
Central government ministries
Corporate headquarters
Financial institutions
Major markets and business centers
It plays a vital role in handling official documents, legal communications, banking correspondence, and parcel services.

Why So Many Post Offices Share 110001?

Unlike other regions that serve residential areas, 110001 is primarily an administrative and institutional zone. Each government department, ministry, or large organization has its own sub-office or counter.

To simplify delivery and sorting, India Post keeps one common PIN code (110001) for the entire central area, while individual offices maintain separate counters under the same postal network.

This system ensures fast internal mail handling between government offices and helps manage the high volume of official correspondence.

 Importance of PIN Code 110001

Used for all major government correspondence.
Covers ministries, commissions, and central government buildings.

One of the oldest and most active postal regions in India.
Plays a key role in official document delivery, government tenders, and national communication. 

Frequently asked questions for– PIN Code 110001 (New Delhi)


1. What is the PIN Code of 110001?
110001 is the official PIN Code of New Delhi GPO in New Delhi, Delhi.

2. Which post office comes under PIN Code 110001?
The post office under 110001 is New Delhi GPO (General Post Office) operated by India Post.

3. Which district does 110001 belong to?
PIN Code 110001 belongs to the New Delhi District in Delhi.

4. What areas are covered under PIN Code 110001?
Major areas covered include:

Connaught Place (CP)
Sansad Marg
Janpath
Barakhamba Road
Rajiv Chowk
Central Secretariat nearby areas

5. Is 110001 a Head Office or Sub Office?
110001 is a Head Office (HO) – New Delhi GPO.

6. What is the state of PIN Code 110001?
The state/UT for 110001 is Delhi (National Capital Territory of Delhi).

7. What is the delivery status of 110001?
110001 is a Delivery PIN Code, which means postal services like Speed Post, Registered Post, and regular mail are delivered here.

8. How to contact New Delhi GPO (110001)?
You can contact New Delhi GPO through official details available on the India Post website.
9. What is the significance of PIN Code 110001?
110001 is one of the most important PIN Codes in India as it covers the central administrative and commercial hub of New Delhi, including government offices and corporate headquarters.

10. Can 110001 be used for courier services?
Yes, 110001 is serviceable by all major courier and postal services due to its prime location in central New Delhi.

Related pin code pages: 

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 Disclaimer

The postal offices listed above are based on publicly available data from the India Post website.

Postal jurisdictions or office names may change over time.

Users are advised to verify details on the official India Post portal before using for official purposes.

Location Map of connaught place, New Delhi- Post Office, Area & District Details Pin Code