User service

User service

Below you will find a list of services designed to answer any queries you might have. You can also make your own suggestions.

1. Answers to FAQ

  • The fastest and most convenient way to find answers to your queries.
  • The service is updated periodically.
  • All FAQ are included.
  • Provides precise information about how to solve your problem.

To use it, go to here.

2. Online form

  • Use it if you cannot find the answer to your question in the option above.
  • The fastest and most effective personalised user service.
  • You will receive an email with the answer to your question.
  • To help us give top service, please complete all applicable fields.
  • Remember to include your email address.

To use it, go to here.

3. E-mail

  • Use it if you do not receive an answer to your question in the options above.
  • You will receive an email with the answer to your question.
  • To help us provide an effective response, include the exact error message.

To use it send us an email.

4. User Service Telephone Numbers

Use these if you did not get a response to your query through the previous options.

AEAT (Tax Agency): 901 33 55 33

If your query concerns:

  • The telematic filing of returns in your own name or in that of third parties.
  • A request for tax information.
  • Tax returns labels.
  • Errors arising in your connection with the address

Tax Information Service timetable Monday to Friday, 0900 to 1900 hours.

Technical support: Mondays to Fridays, from 09.00 a 19.00.


If your query concerns the secure application made available to you by the National Insurance, you should call the User Service Unit.

Timetable: The telephone service is operative 24 hours a day although personalised attention is available only in office hours (Mondays to Fridays, mornings and afternoons).

FNMT-RCM: 917406982 / 917040191

If your query concerns

  • Obtaining the certificate
  • Cancelling the certificate
  • Renewing the certificate
  • Suspending the certificate
  • Errors arising in your connection with the FNMT Electronic Platform.


  • From 08:00 to 19:00, Mondays to Fridays, national working days EXCEPT
  • From 1 May to 30 June: from 09:00 to 21.00 Mondays to Fridays and from 09:00 to 14:00 Saturdays.
  • From 1 August to 31 August: from 09:00 a 15:00 Mondays to Fridays.

FNMT-RCM: Cancellation by phone: 917406848 / 913878337

FNMT-RCM provides a 24x7 service enabling you to cancel Private Individual Certificates by phone. The service is not available for other types of certificate.