How do i contact otip? Mail a letter to OTIP (125 Northfield Drive West, PO BOX 218, Waterloo, Ontario, N2J 3Z9) For a timely response to your inquiry, please include your plan and identification numbers on all correspondence. You can also verify your personal information is correct by logging in through otip.com (‘Log in’ in the top right-hand corner).What is ototip insurance? OTIP serves the insurance needs of Ontario education members and their families. Get the protection you need and the value you deserve with our exclusive group savings on car and home insurance.Can i withdraw my otip discount at any time? OTIP and Traders/Aviva have the right to withdraw this offer at any time. Must reside in Ontario to be eligible for this discount. NOTE: Please contact OTIP for eligibility as there are other conditions that may apply.Where is ototip located? OTIP Head office 125 Northfield Drive West Waterloo ON N2L 6K4