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give them a call on 789 from your mobile or 0345 6000 789 from any other phone.
Or you could use web-chat: Help and Support - Contact Us > Mobile > Mobile billing and payments > Chat online.
The advisors are often busy though so you may not get connected straight away.(I would recommend using a PC or laptop and keeping the page open, just refresh it every few minutes).
If you want to say thanks > click 'Kudos'.Answered your question? > click 'Mark as Helpful Answer' also.
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