To reset your Passcode online you’ll need your Social Security number (SSN) if you are a personal customer or your tax identification number (TIN) if you are a business customer AND your M&T Debit, Credit or ATM Card OR the security questions you set up previously. If you have forgotten your User ID, call M&T Online Customer Service at 1-800-790-9130 Monday–Friday 8am–9pm ET, Saturday–Sunday 9am–5pm ET.
Reset your Passcode