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Change of telephone number and email address < Go back

Through this service you can register or modify information regarding mobile and land line telephone numbers and email.

About this procedure

Who it is for

Individuals who have a Social Security affiliation number (NAF), regardless of the Scheme they belong to.

What you can do

If you access with an electronic certificate, user+password or Cl@ve (permanent Cl@ve or Cl@ve PIN):

  • Register data using the form.
  • Modify existing data using the form.

If you access via SMS:

  • Modify existing data using the form, if you have previously registered a mobile phone number with the Social Security where you will receive the message with the code to make these modifications.

To access this service check you have the necessary technical requirements.

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