Sk12 tax code

I have just been told by my private pension company that HMRC have given me a tax code SK12. I am a pensioner and cannot understand why I’ve been given a high income code? Would it be possible for someone to contact me by email, if you could I’d be very grateful. Thankyou

Hi Georgina Spiers,
You will need to contact HMRC Self Assessment helpline for your records to be accessed by the adviser.
Self Assessment: general enquiries
Thank you.