Tax Office address & Contact details are:-

Inland Revenue
Wear and South Tyne Area
Gilbridge House
High Street West
Sunderland
Tyne & Wear
SR1 3HL

Telephone: 0845 366 7800
Lines Open 08:30 – 20:00 (7 days a week)

Fax Number: 0191 510 6666

Further information can be found in the FAQ’s section in the Members Area at http://uk.fujitsu.com/pensioner/directory/pensionFAQ/#incometax.