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Level 1: Joiner
Posts: 1
Registered: ‎11-07-2019

Keep current number

Hi there,


I'm about to purchase a new device and have it delivered to my home. However, I want to keep my current number. 


How do I transfer my number from the old device to the new? I am aware that there is a form, but when does this need to be filled in, and how long will it take? 



Level 3: Thinker
Posts: 114
Registered: ‎25-01-2020

Re: Keep current number

Are you getting a new sim card or are you moving from another network?

Level 70: Enigma
Posts: 17,391
Registered: ‎31-03-2010

Re: Keep current number

@india467 If your new phone uses the same size sim as your old phone, all you need to do is move the sim into the new phone. No need to fill in any forms. Your phone number is on the sim, not the phone.


Posts: 101,917
Topics: 770
Registered: ‎14-01-2013

Re: Keep current number


If you are already with O2 then you can just use your old sim if it fits. All changes are made to the system not the sim. However, if the device is 5G and comes with a 5G sim and you are in a 5G area then you just do a sim swap. Guide: Sim Swap: a mini guide 2017 update 

All info on keeping your number is here https://www.o2.co.uk/help/device-and-sim-support/how-to-keep-your-mobile-number 

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