Contact the Interlock Program

Email Us

Jeffrey W. Dolfini, Ignition Interlock Manager

Frances Popovich, Ignition Interlock Supervisor

Interlock Investigators

  • To utilize this email you must be on the approved contact list. Contact the IISP if unsure weather 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 weather 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