Contact the Interlock Program

MVD is making computer system changes to the ignition interlock program. We are working to get this done quickly and we apologize for any inconvenience during the transition.

Email Us

Frances Popovich,
Ignition Interlock Supervisor

Interlock Investigators

  • To utilize this email you must be on the approved contact list. Contact the IISP if unsure whether or not you are on the approved list.

Call Us

602.712.8154

Customer specific or compliance related items: 602.712.4303

  • To utilize this phone number you must be on the approved contact list. Contact the IISP if unsure whether or not if you are on the approved list.

Write to Us

Ignition Interlock Unit
Motor Vehicle Division
P.O. Box 2100
MD 530M
Phoenix, AZ 85001-2100