O2’s email can be used for making complaints and speaking to their customer service team. You can use it to contact the company for any issues related to your account, bills, payments, and promotions.
O2 Email Addresses:
The email address for O2 in case you want to make a complaint to their customer support:
Alternatively, you can write and post your letter to their office address:
O2 Correspondence Team
PO BOX 694
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