Simple Interlock 19915 S LaGrange Rd Frankfort IL 60423 Phone: (866) 698-7113 Book Now "*" indicates required fields Name* Phone* Email* Zip Code* State Requiring DevicePlease SelectArkansasCaliforniaConnecticutGeorgiaIllinoisMississippiNew JerseyTennesseeTexasWashingtonOtherRequired Interlock Term Preferred Contact MethodPlease SelectEmailPhonePreferred Contact TimePlease SelectMorningAfternoonEveningQuestions/CommentsConsent* By entering my information above, I understand I will be contacted by a Simple Interlock representative to schedule an installation appointment.* CAPTCHANameThis field is for validation purposes and should be left unchanged.