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If HMRC needs to contact you about anything confidential they’ll reply by phone or post.
- Telephone: 0300 200 3500
- Textphone: 0300 200 3519
- Outside UK: + 44 191 203 7010
Call for help and information about:
- Class 1 National Insurance rates and thresholds
- Statutory Payments
- Married Women’s Reduced Rate Election
- National Insurance statement requests
- Class 3 National Insurance
If you have a National Insurance number, have it with you when you call.
Phone the National Insurance numbers helpline if you haven’t received your National Insurance number or have lost or forgotten it.
HMRC can’t give you an estimate of your State Pension but you can get a State Pension statement.
8am to 5pm, Monday to Friday
Closed weekends and bank holidays
Best time to call:
Phone lines are less busy after 1pm
Write to HMRC at this address with all National Insurance queries except complaints.
You do not need to include a street name, city name or PO box when writing to this address.
Couriers should use a different address.