Quote Originally Posted by joebloggs View Post
phone up your local job centre plus and they should give you an appointment, you need to take your passport, evidence you've been looking for a job etc..

http://www.ukjobsguide.co.uk/Job-Centre/
it depends on your area or county, my wife was given the number to phone and was sent a pack to fill in and a week later had her NI number by post.