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Best ignition interlock device


Intoxalock uses the most reliable technology available (fuel cell technology) and has earned 4.5 out of 5 stars from TrustPilot. Our easy-to-use “blow-breathe-blow” pattern for breath samples makes our device as simple as possible to use.

We also offer multiple device types to ensure that you can find the right one for you. You can check out all of our ignition interlock devices by going to our devices page.


Not only is our technology top-notch, but our convenience can’t be beat. Intoxalock has over 4,000 locations nationwide, well surpassing our competitors and making it easy for you to find a location close to your home or place of work.

Having a service center close to you makes getting your IID installed and calibrated quick and painless. It also keeps saves you money by keeping your transportation costs low.

Customer service:

Have questions about your ignition interlock device? No problem. Intoxalock offers 24/7 customer service for all of our customers. Our customer service representatives can guide you through even the toughest of questions so you can breathe easy knowing that we’re here for you no matter the time of day.  


Along with our outstanding TrusitPilot rating, Intoxalock continuously receives high marks from our customers. You can read some of their reviews here on our ratings and reviews page.

Ready to install?

Get your installation appointment scheduled today by calling Intoxalock at (888) 283-5899. Or you can request a free quote and schedule a time for us to call you.

Still not sure if you’re ready for an IID? Check out our state requirements page to see what your state requires of you. Or you can select your state on the bottom of the page.

Call us to schedule your installation appointment today and let Intoxalock get you back on the road and back to your life.