How do I get a tax number - do I still have one?

I have been out of work and a few years back (2001 till 2011) I began to work again (2012). What I don't know is, do I still have a tax number and how do I get hold of it?

You would need to call 0800 00 7277 in order to retrieve your tax number. Or try reading this article

Helpful thank you TaxTim