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Contact

Our customer service team is ready to assist you with information on testing services or answers to questions.


National Labs, Inc.

3948 Trust Way

Hayward, CA 94545

 

Call us at 1 (800) 800 6060, Mon - Fri 8 AM - 5 PM PST (excluding holidays), or email us at info@nationallabs.com.  

New! You can now chat with us. Click chat window below, (homepage on mobile).

For information about payment options and policies, please go to Billing.

National Labs makes every effort to address inquiries quickly. Thank you for stopping by. We look forward to talking with you soon. 

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