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Please take some time to explore the different areas of this Tell Us section of our website. We cover all of the most common types of complaint and give advice on steps you can take to resolve a problem as quickly as possible.

You can go back to the start of the Tell Us section. You can go back through any of the steps at any time by pressing one of the numbered Step buttons at the top of the screen, or by using your browser’s back button.

However, if you cannot find what you need then please call us. The Ofcom Advisory Team is open Monday-Friday between 09:00 and 17:00.

  • Our phone number is 0300 123 3333 or 020 7981 3040
  • If you are deaf or speech-impaired, our textphone number is 020 7981 3043. Please note that these numbers only work with special equipment used by people who are deaf or hard of hearing
  • Our fax number is 020 7981 3334
  • Welsh speakers can call 0300 123 2023 or 020 7981 3042

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Cyngor a chwynion

  • Eich linell sefydlog, symudol a'r rhyngrwyd

    Ein swyddogaeth yw sicrhau bod cwmnïau ffôn yn eich trin yn deg.
    Ein ffurflenni cynghori a monitro

  • Rhaglenni teledu a radio

    Ydych chi'n poeni am raglen yr ydych wedi'i gweld ar y teledu neu wedi gwrando arni ar y radio?
    Sut i gwyno

  • Problemau derbyniad teledu a radio

    Y BBC sy'n gyfrifol am gwynion am dderbyniad teledu a radio.
    Cyngor a sut i adrodd ar broblem