Contact Cellnet2
Cellnet2 is an independent sole-trader information service based in Leeds, UK. We are not O2.
Telephone
0113 320 5739
Monday–Friday, 9am–5pm UK time. Calls to a UK 0113 number are charged according to your provider and plan. Calls are recorded for quality purposes and deleted after 14 days.
Need O2 directly?
For account changes, a lost phone or a complaint, use O2’s official contact page.