I’m trying to sign up to Monzo, but everytime I put in the verification code this message pops up:
“This number is already in use. Please check the number is correct, or chat to our support team”
I don’t ever remember signing up to Monzo.
Monzo must have your number attached to an account, or application, somehow.
Contact them at help@monzo.com.
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How long have you had the number? It could be a recycled number and the previous holder had a Monzo account.
Have you ever before started the sign-up process but not finished it?
Whatever the case may be, the advice to contact them by email is the best thing to do.
If you email our team as @Anarchist highlighted, we’ll be able to take a closer look into this for you 
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