Switch from O2 to giffgaff
Keep your phone number when you switch from O2 to giffgaff. Here's how in 3 simple steps.
Important Warning
Do NOT cancel your contract manually. If you cancel before transferring your number, you will lose it permanently. Your old contract will automatically cancel once the transfer completes.
Pre-Switch Checklist
- Back up your data: Contacts, voicemails, and saved messages won't transfer.
- Unlock your phone: Ensure it's not locked to your old network if you plan to keep using it.
- Check Early Termination Fees: Text INFO to 85075 to see if you'll incur charges for leaving early.
How to Switch from O2 to giffgaff
Get your PAC code from O2
Text PAC to 65075 from your O2 phone. You'll receive your PAC code by text within a minute.
You can also call O2 on 202 (or 0344 809 0202 from another phone).
Give your PAC to giffgaff
Sign up for a giffgaff plan and give them your PAC code. You can usually do this online at giffgaff.com/profile/details, in-store, or by phone.
Wait 1 working day
Your number will transfer from O2 to giffgaff within 1 working day. You'll get a text when the switch is complete. Your old O2 contract is automatically cancelled.
Transfer Cut-off Times: Submitting your PAC code before 5:30 PM usually means your number will transfer the next working day. Submitting it after 5:30 PM or on weekends/bank holidays will add an extra working day to the process.
Final Bill: You'll receive a final bill from O2 shortly after the transfer is complete. This covers your usage up to the date of the switch.
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Things to Check Before Switching
- Contract status — Check if you're still in contract with O2. You can switch at any time, but you may need to pay an early termination fee if your minimum term hasn't ended.
- Outstanding balance — If you're paying off a handset, you'll need to settle any remaining balance with O2.
- Phone compatibility — Make sure your phone is unlocked and compatible with giffgaff's network. Most phones sold since 2015 are unlocked.
- Coverage — Check giffgaff coverage in your area before you switch.
Same Network Coverage
O2 and giffgaff both use the O2 network, so you'll get the same coverage after switching. No need to worry about signal changes.
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