This guide explains how to switch from O2 to Vodafone and keep your mobile number.
Most number transfers complete within 1 to 2 working days once Vodafone has your PAC code.
If you want a new number instead, text STAC to 75075 and give the code to Vodafone.
This switch will take you from O2's network to Vodafone's network. Coverage may differ in some areas. Check Vodafone's coverage checker before switching.
Joining Vodafone and leaving O2
Select which network you would like to switch from and to and we will give you precise instructions on how to keep your number when switching to a new SIM Only Deal. Show Quick Links
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To keep your number, request a PAC code from O2 and give it to Vodafone.
You can usually give Vodafone your PAC code when you order, or after your new SIM card or eSIM has been activated.
1. Request a PAC code from O2
Here is how to get your PAC (Porting Authorisation Code) from O2:
- Text: Text "PAC" to 65075 from your O2 phone. You will get a text back with your code within a minute. This is a free service from Ofcom (the UK's communications regulator). If you have multiple numbers on your account or an Apple Watch plan, the text service will not work: use My O2 or call instead.
- Online: Log in to My O2 and request your PAC code from your account.
- Phone: Call 202 from your O2 phone or 0344 809 0202 from any other phone.
- In-store: Visit an O2 store and request to leave.
2. Order a SIM only deal from Vodafone
If you have not ordered yet, compare current Vodafone SIM only deals below.
If you already have your new SIM, continue to Step 3.
If Vodafone asks for your PAC code during checkout, enter it there. If not, wait for your new SIM or eSIM to activate, then give Vodafone the PAC code using the method below.
Most Vodafone plans charge a daily fee for EU roaming, with inclusive roaming reserved for higher tiers, so check the plan before you order.
Vodafone offers eSIMs, so you can switch without waiting for a physical SIM to arrive.
3. Give the PAC code to Vodafone
Once you have your PAC code, here is how to give it to Vodafone:
- Online: Enter your PAC code at checkout when you order, or fill in Vodafone's number transfer form once your new SIM is active.
- Phone: Call 191 from your Vodafone phone or 0333 304 0191 from any other phone.
- In-store: Visit a Vodafone store and a member of staff will transfer your number using your PAC code.
4. Wait for your number transfer to Vodafone to complete
Vodafone will send the transfer request to O2.
Your number should move to your new Vodafone SIM within 1 to 2 working days.
Tell your friends.