Yes. You can transfer (port) any existing UK landline or mobile number to your ONSIM account.
Important Requirement
To ensure a successful transfer, your number must remain active with your current provider until the porting process is complete. If you cancel your service before the port is finished, you may lose the number permanently.
How to get started:
Depending on the type of number you wish to keep, please select the relevant guide below:
Need assistance?
Our team is here to ensure your transfer goes smoothly.
Email: support@onsim.uk
Phone: 0333 880 4008