Register your household

National insurance number check

National Insurance Check

To begin, please enter the National Insurance number of the primary applicant, and if applicable, the joint applicant.
A National Insurance Number is made up of two letters, six numbers and a final letter, which is always A, B, C, or D. You can find it on any official papers you may have at home. Look on any of the following; an end of year statement of tax and NICs paid (P60), payslip (recent or old), official correspondence, annual tax return, sub-contractor's tax certificate (CIS6) or employer's wage records