If you’ve got a question or need advice simply get in touch.  Or check out our help section.

Call us if you're eligible for renewal or want to use Fast Track upgrade:
0800 028 0202

Monday to Friday 8am to 8pm
Saturday and Sunday 9am to 5pm
Bank Holidays 10am to 4pm

New customer? You can buy online or visit an O2 store.

Take a look at our sim-only deals

Already with O2 Business? It’s easy to move your number to your new nano sim:
Text SWAP to 20220
OR
Go to o2.co.uk/swapmysim