Log a Customer Service issue

Silicon Valley Office (HQ) Sierra Proto Express 1108, West Evelyn Avenue Sunnyvale, CA 94086 Toll free: 800-763-7503 Phone: 408-735-7137 Fax: 408-735-1408

Map/Driving Directions Sunnyvale Office Timing: 8 AM to 5 PM Pacific Time, Mon-Fri Local time now is 6:27 PM

Full Service Customer Service
Log a customer service ticket at www.protoexpress.com/customerservice
Phone: 800-763-7503 X 500

No Touch Customer Service
Log a customer service ticket at www.protoexpress.com/customerservice
and do indicate that your issue is about No Touch.
Phone: 800-763-7503 X 9939 or 9960
EMAIL: (mention your order number in the subject)

Customer Service for Military Work, ITAR OR Milspec Orders
For any Military Work and Milspec Orders or Inquiries, send email to

General Issues
Go to www.protoexpress.com/customerservice