Contact Nationwide Interlock
Your road to a safer tomorrow begins here!
Nationwide Interlock LLC
Michigan Headquarters
2175 Stephenson Hwy
Troy, MI 48083
Main Office Hours
Monday - Friday: 9am - 5pm
Saturday & Sunday, by appointment only
Call Now: 866-694-6099
New Installations & Questions
866-385-5900 Ext 6
Reporting Department: