Three SIM-only deals
Three SIM-only plans run on the UK's largest 5G network and include free Go Roam in Europe and beyond. Live deals coming soon.
Switch tips
Three SIM-only plans run on the UK's largest 5G network and include free Go Roam in Europe and beyond. Live deals coming soon.
FAQs
Is Three a good network for SIM only?
Yes, Three is particularly strong for data-heavy users. The network offers the largest unlimited data range of any UK operator, no speed throttling on unlimited plans, free EU roaming via Go Roam in 70+ destinations, and competitive pricing. 5G coverage is growing rapidly through the 2025 merger with Vodafone.
Can I get Three SIM only without a long contract?
Does Three SIM only include 5G?
How much does a Three SIM only deal cost?
Can I keep my number when switching to Three?
Does Three throttle unlimited data?
What networks use Three's infrastructure?
Can I get a Three SIM only deal without a credit check?
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