Silicon Valley Campus (HQ)

Sierra Circuits, Inc.

1108 West Evelyn Avenue
Sunnyvale, CA 94086

Toll free: (800) 763-7503
Phone: (408) 735-7137
Fax: (408) 735-1408

Sunnyvale Office Hours:

8 AM to 5 PM Pacific Time, Mon-Fri

Customer Service Contact

General Service Customer Service

Log a customer service ticket at https://www.protoexpress.com/customer-services
Phone: (800) 763-7503 X 500

Web PCB Customer Service

Log a customer service ticket at https://www.protoexpress.com/customer-service
Phone: (800) 763-7503
Email: webpcb@protoexpress.com

Better DFM Customer Service

Email: betterDFM@protoexpress.com (please mention your BetterDFM AFV# if available)

No Touch PCB Customer Service

Log a customer service ticket at https://www.protoexpress.com/customer-service and indicate your issue is about No Touch.
Phone: (800) 763-7503 X 9939 Wendy Garcia
Email: NoTouch@protoexpress.com (please 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 MilspecFiles@protoexpress.com