Onsemi headquarters details
Location map
Open in Google MapsAll Onsemi office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Scottsdale HQ | Arizona | United States | Headquarters |
About Onsemi
Onsemi (Nasdaq (NASDAQ): ON) is headquartered in Scottsdale, Arizona, United States. Founded in 1999, the company operates across 9 countries with approximately 26,000 employees worldwide.
Where is Onsemi's main office?
Onsemi's main headquarters office is located at 5701 N Pima Rd, Scottsdale, Arizona 85250. This serves as the company's primary corporate address and is home to its executive leadership team.
Onsemi regional offices
Beyond its headquarters in Scottsdale, Onsemi maintains 34 offices across 9 countries. Regional offices span 9 countries.
Onsemi contact information
The main switchboard for Onsemi headquarters can be reached at 602-244-6600. For investor relations, visit onsemi.com/investor-relations.
What does Onsemi do?
ON Semiconductor Corporation operates as a semiconductor manufacturing company. The Company supplies power semiconductors and image sensors solutions for automotive and industrial markets. ON Semiconductor serves clients worldwide.
Frequently asked questions
Where is Onsemi headquarters?
Onsemi's headquarters is located at 5701 N Pima Rd, Scottsdale, Arizona 85250, United States.
How many offices does Onsemi have?
Onsemi operates 34 offices across 9 countries as of 2026.
What is Onsemi's corporate address?
The official corporate address is 5701 N Pima Rd, Scottsdale, Arizona 85250.
When was Onsemi founded?
Onsemi was founded in 1999 and has grown to employ approximately 26,000 people worldwide.
What is Onsemi's phone number?
The main phone number for Onsemi headquarters is 602-244-6600.