The head office of IBM is located at 1 New Orchard Road, Armonk, New York 10504, United States. International Business Machines Corporation (IBM) identifies this location as its principal executive office in its 2025 annual filing with the U.S. Securities and Exchange Commission (SEC).
IBM’s corporate telephone number listed in that filing is +1 914-499-1900. On IBM’s official contact page, the same number appears under directory assistance. For customer support, sales, employment inquiries, and other specific needs, IBM provides separate contact options.
This guide explains where IBM’s headquarters is located, how to contact the company, how its corporate office differs from regional offices and research centers, and what to check before visiting or mailing documents.
Where Is the Head Office of IBM Located?

IBM’s corporate headquarters is in Armonk, a community in Westchester County, New York. Although the headquarters is in New York State, it is not in New York City itself.
The official address is:
IBM Corporate Headquarters
1 New Orchard Road
Armonk, NY 10504
United States
IBM’s official contact directory publishes the corporate address. Its 2025 Form 10-K filing also identifies the Armonk address as the company’s principal executive office.
IBM Headquarters at a Glance
| Detail | Information |
| Company name | International Business Machines Corporation |
| Common name | IBM |
| Headquarters city | Armonk |
| State | New York |
| ZIP code | 10504 |
| Country | United States |
| Street address | 1 New Orchard Road |
| Corporate telephone listed in SEC filing | +1 914-499-1900 |
| Official contact page | IBM Contact |
The address is the right starting point when you need to identify IBM’s main corporate office. However, it should not automatically be treated as the mailing address for every department or the correct destination for all customer inquiries.
IBM Headquarters Phone Number and Contact Details

The most suitable way to contact IBM depends on the reason for your inquiry. The company’s main corporate address and listed telephone number are useful reference details, but specialized requests may be handled through different channels.
What Is IBM’s Head Office Phone Number?
IBM’s 2025 SEC filing lists 914-499-1900 as the company’s telephone number. Written in international format, this is +1 914-499-1900.
IBM’s official contact page labels the same number as directory assistance. This distinction matters: it should not be presented as a dedicated customer-support line for every IBM product or service.
For current contact options, visit the official IBM contact directory.
How to Contact the Correct IBM Department
Follow these steps to find an appropriate contact route:
- Identify the purpose of your inquiry. Decide whether you need product support, sales assistance, career information, corporate information, or investor relations.
- Open IBM’s official contact page. Start at ibm.com/contact/global.
- Choose the relevant category or region. IBM provides different contact routes for technical support, customer service, employment-related questions, and other needs.
- Check the instructions before submitting a request. Some issues require a support portal, an online form, or a country-specific contact rather than a call to the corporate office.
- Prepare relevant reference information. Depending on the request, this may include a product name, order reference, support case number, or job posting.
- Keep a record of the inquiry. Save any confirmation or case reference supplied by IBM so you can follow up through the appropriate channel.
For example, a business experiencing a software issue should begin with the relevant technical-support route. A person researching IBM’s corporate details may instead need the company’s official filings or investor-relations resources.
Contacting IBM From Outside the United States
If you are contacting IBM from another country, use the official global contact directory to find information relevant to your region.
Avoid assuming that the US corporate telephone number is the correct number for every international inquiry. Local support arrangements, business contacts, and telephone numbers can differ by country and service.
What Is the Role of IBM’s Corporate Headquarters?

A corporate headquarters is the principal office associated with a company’s executive leadership and central corporate administration. It is distinct from an individual branch, customer-service location, or research facility.
IBM’s SEC filing identifies its Armonk location as its principal executive office and states that its corporate headquarters is located at an owned site there.
The headquarters is therefore the appropriate location to cite when identifying IBM’s principal corporate office. It does not necessarily follow that every IBM employee, department, or business activity operates from that address.
Corporate Leadership and Administration
The principal executive office is the company’s central corporate reference point for matters such as corporate identity and executive administration.
However, someone seeking a particular employee, business unit, or executive should not assume that the headquarters address provides direct access to that person. The appropriate department or official contact channel may be more useful.
IBM’s Wider Business Operations
IBM is an international technology company with business activities that include enterprise software, consulting, infrastructure, and research.
Its operations extend beyond its corporate headquarters. Customers and business partners may work with teams based in different countries, offices, or specialized facilities.
This is why a headquarters address alone may not answer every location-related question. Someone seeking local sales assistance, for example, may need a regional contact, while a person researching the company’s legal identity may need the corporate address shown in its regulatory filing.
IBM Headquarters vs. Regional Offices and Research Centers
IBM’s corporate headquarters should not be confused with every other location associated with the company. Different locations can serve different business and technical purposes.
| Location type | General purpose | When to use it as a reference |
| Corporate headquarters | Principal executive and corporate office | Identifying IBM’s main corporate location |
| Regional office | Supports business activity in a particular market or geography | Finding relevant local or regional contacts |
| Research center | Conducts research and technical development | Research-related questions and technical collaboration |
| Customer or service location | Supports specific customer, product, or service activities | Service-related inquiries where a designated location is provided |
These categories describe general functions. The responsibilities and accessibility of an individual IBM location should be verified through current official information.
Regional and International IBM Offices
IBM has an international presence, so its corporate headquarters is not necessarily the right location for a person seeking assistance in another country.
To find the appropriate regional contact:
- Visit IBM’s official global contact directory.
- Select the relevant country or region where contact information is provided.
- Check the department’s published contact instructions.
- Verify the address before arranging a visit or sending correspondence.
This approach is more reliable than relying on an old third-party office directory that may contain outdated information.
For business researchers and sales professionals maintaining company records, it is also important to label locations correctly. A verified headquarters address should not be substituted for an unverified branch address, and a regional office should not be described as the global corporate headquarters without supporting evidence.
IBM Research Locations
Research facilities serve different purposes from a company’s central corporate office. They may focus on scientific research, engineering, or technology development.
IBM’s research operations include the Thomas J. Watson Research Center in Yorktown Heights, New York. This is an example of why the company’s research locations should be distinguished from its corporate headquarters in Armonk.
If your inquiry concerns a particular research team or facility, confirm the relevant location and contact arrangements rather than assuming that the Armonk headquarters handles the request directly.
Can You Visit or Send Mail to IBM’s Head Office?
The existence of a published corporate address does not establish that a location accepts walk-in visitors or that every department receives mail there.
Before visiting IBM’s headquarters or sending documents, confirm that the address and contact method are suitable for your purpose.
What to Check Before Visiting
If you intend to visit IBM’s headquarters for a business meeting or another reason:
- Contact your IBM representative or the relevant department before traveling.
- Confirm whether the visit has been approved and whether an appointment is required.
- Ask for the correct entrance and any visitor instructions.
- Verify the meeting location and time.
- Follow the access requirements communicated by IBM.
Do not assume that the headquarters is open to unannounced visitors. Current visitor arrangements should be confirmed directly with the company.
How to Confirm a Mailing Address
If you need to send a letter, business document, or other correspondence, first identify the intended recipient and department.
Before mailing anything:
- Confirm the recipient’s name and department.
- Check whether the department provides a specific postal address or submission process.
- Include any reference details required for the inquiry.
- Avoid sending confidential documents to a general address unless the recipient and delivery instructions have been verified.
For customer support, job applications, or account-related requests, an official online process may be more appropriate than sending mail to the corporate headquarters.
About IBM: A Brief Company Overview
International Business Machines Corporation, known as IBM, is a technology company serving businesses and other organizations. Its activities include enterprise software, consulting, infrastructure, and research.
IBM traces its corporate history to the Computing-Tabulating-Recording Company, formed in 1911. The company adopted the International Business Machines name in 1924.
For company research, it helps to distinguish three types of information:
- Corporate identity: The company’s legal name and business profile.
- Corporate location: The principal executive office and headquarters address.
- Operational locations: Regional offices, research facilities, and other sites associated with specific activities.
Keeping these categories separate makes company records clearer and helps prevent confusion when comparing business directories.
For authoritative corporate information, consult IBM’s official website and its filings through the U.S. Securities and Exchange Commission.
Frequently Asked Questions About the Head Office of IBM
Where is the head office of IBM?
IBM’s corporate headquarters is at 1 New Orchard Road, Armonk, New York 10504, United States.
What is IBM’s complete headquarters address?
The address is 1 New Orchard Road, Armonk, NY 10504, United States. IBM’s official contact directory displays the ZIP code in extended form as 10504-1722. Confirm the appropriate address format before sending physical correspondence.
What is IBM’s head office phone number?
IBM’s 2025 SEC filing lists +1 914-499-1900 as its corporate telephone number. IBM’s official contact page categorizes this number as directory assistance, so specialized inquiries should use the relevant contact channel.
Is IBM headquartered in New York City or Armonk?
IBM’s corporate headquarters is in Armonk, New York, in Westchester County. It is not located in New York City proper.
How can I find an IBM office in my country?
Visit IBM’s official global contact directory and select the relevant country or region where available. Verify current contact details before visiting or mailing documents.
Can I visit IBM’s headquarters without an appointment?
The published address does not confirm that unannounced visitors are permitted. Contact IBM or your designated representative in advance to confirm access and appointment requirements.
Is IBM’s headquarters the same as its research centers?
No. The corporate headquarters is the principal executive office, while research centers focus on research and technical development. IBM’s research facilities may be located separately from its headquarters.
Should I use the headquarters address for customer support or job applications?
Not automatically. Customer support and employment inquiries may have dedicated contact pages, support portals, or application processes. Check IBM’s official website for the correct route.
Conclusion
The head office of IBM is at 1 New Orchard Road, Armonk, New York 10504, United States. IBM’s 2025 SEC filing lists +1 914-499-1900 as the company’s telephone number, while its official contact page identifies that number as directory assistance.
For a product issue, sales inquiry, employment question, or regional office search, use IBM’s official contact directory to find the appropriate channel. Confirm visitor arrangements and mailing instructions before taking action.

James Anderson is a sales professional focused on helping businesses improve their sales process and achieve better results. He is experienced in using sales tool to manage leads track customer interactions identify opportunities and support business growth. William values clear communication strong customer relationships and efficient sales strategies.