ISTN headquarters details
- Street address
- 901 H Business Park C-Dong Beobwon-Ro 9-Gil
- State / region
- Seoul
- ZIP / postal code
- 05836
- Country
- South Korea
- Phone
- +82 2 2057 4425
- Founded
- 2002
- Website
- istn.co.kr
- linkedin.com/company/istn-kr
Location map
Open in Google MapsAll ISTN office locations
| City | State / region | Country | Type |
|---|---|---|---|
| — HQ | Seoul | South Korea | Headquarters |
Showing the headquarters of 9 recorded locations. See every location in GraphIQ →
About ISTN
ISTN is headquartered in Seoul, South Korea. Founded in 2002, the company has 9 recorded locations across 3+ countries and employs approximately 78 people worldwide.
ISTN regional offices
Beyond its headquarters, ISTN has recorded locations in South Korea, France and Indonesia.
ISTN contact information
The main switchboard for ISTN headquarters can be reached at +82 2 2057 4425. Official website: istn.co.kr.
What does ISTN do?
Since 2002, ISTN has been delivering business values to customers who want to cope with business transformation. We can support the customer's whole IT lifecycle including Feasibility study, Information System Planning, Implementation, Global Rollout, Upgrade and IT Outsourcing. To keep up market changes and our customers’ growth, ISTN tries to provide the most adequate solutions through leading edge technologies like Cloud, IoT, Big Data with fascinating UX. Be connected with ISTN.
Frequently asked questions
Where is ISTN headquarters?
ISTN's headquarters is located at 901 H Business Park C-Dong Beobwon-Ro 9-Gil, Seoul 05836, South Korea.
How many offices does ISTN have?
GraphIQ records 9 locations for ISTN across 3+ countries, as of October 2026.
What is ISTN's corporate address?
The corporate headquarters address is 901 H Business Park C-Dong Beobwon-Ro 9-Gil, Seoul 05836, South Korea.
When was ISTN founded?
ISTN was founded in 2002 and employs approximately 78 people.
What is ISTN's phone number?
The main phone number for ISTN headquarters is +82 2 2057 4425.
How many employees does ISTN have?
ISTN has approximately 78 employees (GraphIQ estimate, 2026).