Sim blocked

[JM13]

I need a puk code my sim is blocked when I sign into my 02 account it's saying it's sent me a 6 digit code for confirmation but because the SIM card is blocked I have no service or signal I'm not receiveing the message with the code and I'm in work how do I get a puk code 

[MI5]

@JM13 

Try here https://www.o2.co.uk/help/device-and-sim-support/unblock-your-phone

You can also use the automated phone line by calling 

0344 809 0202

from any other phone