Not sending codes through security to access purchase of a new sim

[Helen31]

Tried to buy a monthly sim for a different phone but won’t send through security codes to access. Anyone else having an issue 

[jonsie]

You need to contact customer service

We’re just customers like you but it sounds like you’ll need someone to access your account which can’t be done from here. If you message O2 using the links below, they should be able to help you with this
or give them a call on 202 or 0344 809 0202

Guide: How to find help & contact O2