Keep your mobile number
Help and support
Transfer your current mobile number – Help and Support | O2
When to use this form
Use this form to transfer your current mobile number to your new O2 connection if you're:
- Joining O2 Pay Monthly or Pay As You Go from another network
- Moving from O2 Pay As You Go to O2 Pay Monthly.
Don't use this form, but pop into an O2 store or get in touch get in touch if you're:
- Moving from O2 Pay Monthly to O2 Pay As You Go
- Cancelling your old number using a STAC
- An O2 Business customer
If you're replacing your sim without moving your number to O2 – register your new sim using My O2, or take a look at our sim help page.
About You
Enter your contact details below, so we can keep you updated about your number transfer.
Changed your mind or need more help?
If you've changed your mind about transferring your number or need extra support, pop into an O2 store, ask the O2 Community or get in touch and we'll be happy to help.