Skip to main content


For Technical Research

You can reach a Haynes Technical Research Representative in these ways: 


E-Mail is the best way to reach us. E-mail provides faster service for you and avoids the hassle of phone message "tag". All e-mails will be answered within one working day.

Send an e-mail to and be sure to include the following:

  • Your full name
  • The e-mail address where we can reach you
  • A detailed question or comment regarding your Haynes manual
  • The manual you are using and specific page numbers


Call toll free at 1-800-442-9637 and ask for Technical Research. (Monday-Friday 7:30AM-12:30PM PST)


Write to us at the following address. Please be sure to include your phone number as we may be able to address your concern better by phone.

Haynes Manuals, Inc.
859 Lawrence Drive
Newbury Park, CA 91320
Attn: Technical Research


For Customer Service regarding orders

If you have questions about an existing website order, or are having trouble placing a website order, please contact our Customer Service team as follows depending on the Haynes product: 

For a Manual Online (Electronic version)

Please email us at or call (during regular business hours Monday-Thursday 7:30AM-4:30PM PST and through 3:30PM PST on Friday) at 1-800-442-9637.

For a Printed Manual

Please email us at


To contact Haynes by phone with non-technical questions or orders.

The above contact methods are preferred by Haynes to most efficiently handle your requests. If you have a Non-Technical question and you want to talk to a Haynes representative, you are able to contact us by phone. During normal business hours during the week (7:30AM to 4:30PM PST Monday-Thursday and through 3:30PM PST on Friday), you can call Haynes Customer Service at 1-800-442-9637 (US Customers).