3G shutdown - affected areas

Everything you need to know

We’ll be phasing out our 3G network service gradually over the next 2 years and switching it off by the end of 2024.

Areas that will be affected soon:

These postcodes are in the Reading area:

RG1 1AA RG1 1AR
RG1 1AB RG1 1AS
RG1 1AD RG1 1AT
RG1 1AE RG1 1AU
RG1 1AF RG1 1AW
RG1 1AG RG1 1AX
RG1 1AH  
RG1 1AJ  
RG1 1AL  
RG1 1AP  
RG1 1AQ  

 


Areas already switched off within the last 3 months:

These postcodes are in the Swindon area:

SN1 1AA SN1 1AT
SN1 1AB SN1 1AU
SN1 1AD SN1 1AW
SN1 TAE
SN1 1AX
SN1 1AF
SN1 1AY
SN1 1AG
SN1 1AZ
SN1 1AH
SN1 1BA
SN1 1AJ
SN1 1BB
SN1 1AL
SN1 1BD
SN1 1AN
SN1 1BE
SN1 1AP
SN1 1BF
SN1 1AQ  
SN1 1AR  
SN1 1AS  

These postcodes are in the Portsmouth area:

PO1 1AA PO1 1AT
PO1 1AB
PO1 1AU
PO1 1AD
PO1 1AW
PO1 1AE
PO1 1AX
PO1 1AF
PO1 1AY
PO1 1AG
PO1 1AZ
PO1 1AH
PO1 1BA
PO1 1AJ
PO1 1BB
PO1 1AL
PO1 1BD
PO1 1AN
PO1 1BE
PO1 1AP
PO1 1BF
PO1 1AQ
 
PO1 1AR
 
PO1 1AS
 

Please note this is not an exhaustive list, as many more areas will be switched off over the coming months.

Find out if your device is capable of recieving a 4G and/or 5G signal.

If you bought your phone from us after 2016, it’s very likely you’ll have 4G Calling (also known as VoLTE) capability. In 2016 we became the first UK operator to use 4G for voice calls, giving you a better quality experience.

You can check your device compatibility and find out how to activate 4G Calling (if your device supports it) in our device support hub.

We expect to completely switch off 3G by the end of 2024, while slowly phasing it out in the lead up to 2024. So, now’s a good time for you to swap to a 4G Calling or 5G device, if you don’t already have one.

By the time our 3G switch-off happens (by the end of 2024), we’ll have enabled 4G in these areas, You can keep up to date on network improvements using our coverage checker.

3G will continue to be supported in most areas for a little while yet, and we’ll be in touch when we gradually phase it out. If you’re going to be impacted as a result of your device functionality it’s worth exploring your options now, rather than when the time comes. 

We understand how important your device is to you. If your current device isn’t 4G Calling compatible, it would be good to discuss the devices that will best suit your needs and are ready for the future of our network. Our Accessibility Team are here to help with any specific queries you might have.

On 8 December 2021, the Government announced that all public 2G and 3G networks will be switched off by 2033 at the latest. However, operators have been encouraged to switch off their networks — particularly 3G networks — earlier than this date.

We want to make sure we’re ready and ahead of the game, then we can free up as much investment as possible for our 4G and 5G network rollout. This will bring you better connectivity and the best possible mobile experience. 

After 2024, we won’t be able to support any device that only relies on 3G for data or calls. Unfortunately, you won’t be able to get connected.

If you have a 3G data- only Mobile Broadband device, it won’t be supported after 2024. So we recommend that you consider upgrading your device.

If you have a 4G and 5G data-only Home or Mobile Broadband device, you won’t need to do anything.

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