Contact IDT

Headquarters and Corporate Offices

• Phone:  +1-408-284-8200
• Toll Free:  1-800-223-1366
• Fax:       +1-408-284-2775
• Address:  6024 Silver Creek Valley Road, San Jose, CA 95138  USA
• Map and Driving Directions

​ Investor Relations

• Phone:  +1-408-284-6515
• Fax:       +1-408-284-8454
• Email: ir@idt.com
• WWW: Go to Investor Relations page

Human Resources

• Phone: +1-408-284-8200
• WWW: Go to Careers page

Media Relations 

• Phone: +1-408-284-2735
• Fax: +1-408-284-2766
• Email: Graham Robertson, Vice President, Corporate Marketing
• Worldwide Press Contacts
• Address: 6024 Silver Creek Valley Road, San Jose, CA 95138

Sales Support - Worldwide Sales Offices

• WWW: Go to sales offices support page

Technical Support

• WWW: Go to support page