I have no SIM.

[Chasromax_39]

I have no SIM, unable to make contact because my landline is not working, how can I get my SIM back?

[jonsie]

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

Guide: How to find help & contact O2 

Or go instore with photo ID

[TallTrees]

Hi @Chasromax_39 

Have you lost your sim?

If so

Guide: Lost or Stolen O2 Device? - How to Report it 

You can contact o2 customer services through social media 

Read here

Guide: How to find help & contact O2