Contact Us

Interested in becoming an Antech customer or have a question about Antech, please complete the form below and we’ll get back to you within 24 hours. Antech customers should call the numbers below for any immediate needs.

Customer Service

For questions regarding any part of your relationship with Antech or about specific test results, please call the appropriate number below:

Antech USA: 1-800-745-4725
Antech Canada: 1-800-341-3440
Antech Test Express: 1-888-397-8378

For billing inquiries please call 1-800-745-4725 or email

Technical Support:

Antech Headquarters / ANTECH Imaging Services:
17620 Mt. Herrmann St. | Fountain Valley, CA 92708

Sound Imaging:
5810 Van Allen Way | Carlsbad, CA 92008
Main Office: + 1 (800) 268-5354 | Support: + 1 (800) 819-5538