Need a SIM for your existing phone?
Switch to a Pay Monthly SIM Only plan and save money on your bill and get more flexibility with 1 month and 12 month contracts on Three.
Simply pop the delivered SIM card into your phone and you are good to go.
Have an existing number you want to keep? No problem follow the 3 simple steps here and Three will ensure your number is brought across when you switch.
The type of SIM card you need depends on the device you want to use with your SIM card. If in any doubt you can always call Three for help free on 0800 358 9048.
Looking for a Pay As You Go SIM for your phone?
There are a host of reasons to choose a SIM Only plan with the main ones being:
SIM Only plans offer you even better value because the operators don't have to offset the cost of a mobile phone enabling you to get more minutes, data and texts for less which is great news for those who are happy with their existing phone or tablet.
SIM Only contracts come with shorter contract lengths than standard mobile 24 month contracts. SIM Only plans are available on 12 month or 1 month rolling contracts.
You can quickly and easily bring over your existing number to Three SIM Only.
All 3 SIM Only plans on Three come with
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