Materion Federal Credit Union nor any other agency with which we are associated, will ever use email, text messaging or phone calls to request sensitive personal information such as account numbers, PIN numbers, or social security numbers. If you receive an email, text message or phone call such this, please report it to the credit union and the FTC. Lost/Stolen Debit Card: 1-800-264-5578. Lost/Stolen VISA Card: 1-800-808-7230. To file an FTC Report click the button below.