π΅π± Polish β Polski
Your NI number is your personal tax ID: AB 12 34 56 C. Free and valid for life. You need it to work legally, pay tax and claim benefits.
Check old documents β payslips, P60 or HMRC letters may already have your NI number.
Apply free β call 0800 141 2075 or at gov.uk/apply-national-insurance-number.
Identity check β bring passport, visa or BRP to a Jobcentre Plus interview.
Arrives by post β 4-8 weeks. Keep the letter safe.
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Employment Rights β