Here at Citibank, we are committed to providing you with a secure banking environment. One of our top priorities is to safeguard your personal information and banking transactions online, through the use of a Personal Identification Number (PIN). Your PIN is a unique identifier that serves as your electronic signature and allows you to access your banking and credit card accounts via an ATM or Citibank Online. To ensure that banking transactions are conducted safely and securely, your PIN must always be kept confidential. To request for a Telephone PIN (T-PIN), or ATM / credit card PIN, simply call CitiPhone at (84 8) 3521 1111 or (84) 1900 1819. Your Telephone PIN (T-PIN) is necessary to validate PIN requests through our 24-hour CitiPhone self-service banking at (84 8) 3521 1111 or (84) 1900 1819. To obtain your T-PIN: Interest Rates Fees and charges Branch and ATM