Dwr Cymru Welsh Water

Step 1 of 2

Change Your Contact Number

Use this form as the account holder to change your contact number.

Once we receive your form, we'll change your details within 10 working days. You won't need to do anything further, and you'll see your change in any future correspondence from us.

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Are you a business customer?
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or enter manually (e.g. new build or non uk address)

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Add Another Property
What language would you like your future correspondence to be in?
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