HM Revenue & Customs (HMRC)
The HM Revenue & Customs (HMRC) National Insurance Online Services can assist with a variety of National Insurance-related inquiries. These include understanding rates and thresholds, registering for National Insurance, and requesting statements or employment histories. You can also report scams or request certificates for healthcare. The service is available Monday to Friday from 08:00 to 18:00, excluding weekends and bank holidays. Callers often experience long wait times, especially during peak hours. It is recommended to call before 10am for shorter wait times. Be prepared to provide your National Insurance number and personal details for security verification.
Updated 4 Nov 2025
Expected outcomes
- Check National Insurance rates
- Register for National Insurance
- Request employment history
- Report National Insurance scams
- Request healthcare certificates
- Confirm National Insurance number
Call preparation
Assemble everything before you dial. These requirements are verified by our call analysts and updated as organizations change their scripts.
- National Insurance number
- Personal details
- Employment history details
- Details of suspicious communication
- Healthcare certificate request
- Security verification information
Known issues
Callers frequently encounter long wait times when contacting HMRC, particularly during peak hours. To reduce waiting periods, it is advisable to call before 10am or utilize online services when possible. Additionally, be aware that calls may use speech recognition software, and Relay UK is available for those who cannot hear or speak on the phone. Always have your National Insurance number and personal details ready for security verification. If you suspect a scam, report it promptly by providing details of the suspicious communication.