Use your registered mobile phone (without blocked caller ID).
SMS the following text to 0457 777 678 (0457 77 POST).
POST PIN [Your 6 digit access code] [the last 4 digits of your card number]
Please include spaces e.g. "POST PIN 123456 1234".
Please note: You will need your 16 digit card number located on the front of your card and your access code (6 digit number nominated when the card was purchased) when retrieving your PIN by SMS.