Switch from SMARTY to Three
Keep your phone number when you switch from SMARTY to Three. Here's how in 3 simple steps.
Updated February 2026
How to Switch from SMARTY to Three
1
Get your PAC code from SMARTY
Text PAC to 65075 from your SMARTY phone. You'll receive your PAC code by text within a minute.
2
Give your PAC to Three
Sign up for a Three plan and give them your PAC code. You can usually do this online at three.co.uk/support/switching, in-store, or by phone.
3
Wait 1 working day
Your number will transfer from SMARTY to Three within 1 working day. You'll get a text when the switch is complete. Your old SMARTY contract is automatically cancelled.
Things to Check Before Switching
- Contract status — Check if you're still in contract with SMARTY. You can switch at any time, but you may need to pay an early termination fee if your minimum term hasn't ended.
- Outstanding balance — If you're paying off a handset, you'll need to settle any remaining balance with SMARTY.
- Phone compatibility — Make sure your phone is unlocked and compatible with Three's network. Most phones sold since 2015 are unlocked.
- Coverage — Check Three coverage in your area before you switch.
Same Network Coverage
SMARTY and Three both use the Three network, so you'll get the same coverage after switching. No need to worry about signal changes.
Ready to Switch to Three?
Compare the latest Three phone deals and find the best plan for you.