VP & Head of Content. Show more. Report incorrect company information. Yahoo! Office Locations. Yahoo! has offices in Sunnyvale, Champaign, Hillsboro, La Vista and in 6 other locations. Open Map View. Sunnyvale, CA, US (HQ) 701 1st Ave.
Mar 18, 2021 · Contact Yahoo customer service. You can call Yahoo at (408) 349-3300 phone number, write an email to [email protected], fill out a contact form on their website www.yahoo.com, or write a letter to Yahoo! Inc, 701 First Avenue, Sunnyvale, California, 94089, United States.Location: 701 First Avenue, Sunnyvale, 94089, California