Get Started on the Right Road Today!

Toll-Free : 866-694-6099

Reporting Department: 800-437-2437


Schedule a new installation:

Billing & Payments:

Reschedule a Download/Calibration or request a new schedule:

Tech Support assistance:

Questions/Comments to management:

Nationwide Interlock

Monday-Friday, 9:00am-5:00pm

Saturday & Sunday, by appointment only 

Toll-Free : 866-694-6099

Michigan Headquarters

2175 Stephenson Hwy

Troy, MI 48083

Minnesota Headquarters

12225 Wood Lake Drive

Burnsville, MN 55337​