Simple Interlock 11306 E Montgomery Dr Spokane Valley WA 99206 Phone: (509) 381-6819 Fax: 509-309-3339 Book Now Name* Email* Phone* Zip Code* State Requiring Device*Please SelectArkansasCaliforniaConnecticutGeorgiaIllinoisMississippiNew JerseyTennesseeTexasWashingtonOtherRequired Interlock Term Preferred Contact MethodPlease SelectEmailPhonePreferred Contact TimePlease SelectMorningAfternoonEveningBy entering my information above, I understand I will be contacted by a Simple Interlock representative to schedule an installation appointment.* I agree Questions/CommentsCAPTCHAPhoneThis field is for validation purposes and should be left unchanged.