Thank you for your interest in contacting us. If you would like to:
Please provide your information below and a CTOS representative will gladly contact you. You may also find answers to your inquiries through our Frequently Asked Questions (FAQs) page.
HOURS OF OPERATION: Mon-Thu, 7:00am-5:00pm (PST)
PHONE: 1 (877) WMD-CTOS / 1 (877) 963-2867
EMAIL: ctosreg@nv.doe.gov
For Emergencies after-hours and weekends please call: (702) 409-9087
EMAIL: ctosmttreg@nv.doe.gov
EMAIL: ctosrmttrnr@nv.doe.gov
EFAX: (702) 537-2639
EMAIL: ctosindirect@nv.doe.gov