Customer service hours:

Contact customer service by phone
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Call the 02 891 29 80 and select choice 2,
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Identify yourself on the voice mailbox with your 10-digit identifier (on the back of your card) and your 6-digit access code or by using the number of your ID used to open your account and your mobile phone number.
Contact Nickel customer service via the contact form:
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Send your requests and documents as attachments via our contact form
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Preferably use your Google Chrome browser.
Join Nickel customer service on Facebook and Twitter only:
The only two official pages used by Nickel on social media have an official blue certification badge
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You can contact our advisors in private message, by indicating your name, first name and your date of birth, and by specifying the object of your request.
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We answer as we go along to all the messages sent.
I need to stop my card outside of customer service hours, how do I do this?
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You have three options for opposing your card

A general question about your account? Check out articles from the Nickel help center