Sim

[jesssoanesxo]

Hi, 

I have recently moved over to O2. My sim arrived today & I have activated it, however my old number hasn’t transferred across, can you help please?

Many thanks, Jess

[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 

[Oxonian]

A warm welcome @jesssoanesxo to this O2 customer to customer community. 

This might give you some relevant information :-

Guide: Migration & porting into O2