I have lost my National Insurance Card but I know my NI number..?

Ok, so Ive lost my NI number. Cant find it anywhere. I have never worked before but I am starting university soon, so no payslips, p45s etc. I have my NI number on my money application for university though. Will I need to apply for a NI card if I start work or will it be fine just to quote the number... show more Ok, so Ive lost my NI number. Cant find it anywhere.

I have never worked before but I am starting university soon, so no payslips, p45s etc.

I have my NI number on my money application for university though.

Will I need to apply for a NI card if I start work or will it be fine just to quote the number without the card or payslips or p45s etc.

Thanks.
Update: Sorry in the first sentnce i meant lost NI card not number.
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