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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:

Schedule a New Installation:

Billing & Payments:

Tech Support Assistance:

Questions/Comments to Management: