Keep your number
Text PAC to 65075. You'll get a code by text straight away. Give it to your new network when you order.
Get a new number
Text STAC to 75075. Give that code to your new network and your old contract ends when the new one starts.
Check first
Text INFO to 85075 to see if you're still in contract and any exit fee, before you switch.
Step by step
- Text INFO to 85075 to check for any exit fees.
- Pick your new plan. SIM-only finder.
- Text PAC to 65075 and note the code (it lasts 30 days).
- Order your new SIM or eSIM and enter the PAC when asked.
- On switch day your old SIM stops and the new one takes over your number.
Common questions
How long does switching take?
Once you give your new network the PAC code, your number usually moves within one working day.
Will I pay for my old contract after I switch?
You won't pay for a notice period after you switch, but if you leave a contract early you may have to pay an early exit fee. Text INFO to 85075 to see what you'd owe.
Do I need to unlock my phone?
Phones sold in the UK since December 2021 must be unlocked. Older phones may be locked; ask your old network, which should do it for free.
More guides
What is an eSIM?
How eSIMs work, which phones have them, and why they're usually the cheapest way to get data abroad.
How to set up an eSIM
Step by step for iPhone, Samsung and Google Pixel, plus the settings that stop surprise roaming bills.
How much data do I need?
Our calculator works out your monthly data, and how much you need for a trip.
How to avoid roaming bill shock
Ferries, Greek islands, North Cyprus and the other traps that catch UK travellers out.