The Social Security number identifies us as citizens before the Social Security system and, when we start a certain work activity, this digit becomes the Affiliation Number. On various occasions, especially when we are filling in different documents that request all kinds of data, we need to know the Social Security number. But where to find it? Here we explain it to you.

By phone: they don’t provide it

To know your Social Security number, you have to know that, although there is a telephone number for general inquiries, from there they will not give you your number since it is confidential information. Currently, the number is the following: 901-502-050 but here they will only offer you general information about the service.

As soon as you call, an operator will ask you for your name, surname and your DNI number in order to check if you are already registered with the SS, otherwise, you will have to go to one of the offices to register. Here we tell you how to register for Social Security.

Know the Social Security number for the health card

To find out your Social Security number, you can also look at the health card that you must have and with which you go to public primary care centers. This identification number appears on the front of the health card. The exact position varies depending on the Autonomous Community to which it belongs, since each one has a different format, but the number is always there.

You can also check it on the European health card, which maintains the same format in all of them, and includes this information.

The Social Security number appears on the payroll

This number is also essential for a company to hire us and, thus, begin to be part of the world of work. So, if you are already active and want to know your Social Security number, you should consult one of your payrolls since, in it, the number corresponding to your Social Security affiliation appears.

To check this information, you should look at the top right of the payroll and look for the place where it says “Registration number in the SS” or some other name similar to this. Next to it, you will find the numbering you are looking for, as we show you in the attached image.

You can also obtain this number in a work life report, which you can request free of charge, which includes all the information related to the jobs listed and in which you have been affiliated, but you can also find the Social Security number.

By Internet through the Electronic Office

In the Electronic Headquarters of the Social Security, you can obtain a report with this number. All you need is to have previously provided the telephone number to the administration to confirm the identity. You can follow this step if you have a digital certificate and access the Electronic Office; In this way, you will quickly obtain a document with your personal data that includes the Social Security number.

In the event that you do not have a digital certificate, you must go in person to one of the SS offices that has been distributed by your city or town, in this way you can get the number and, incidentally, solve any administrative problem that you may have.

Other ways to find out your Social Security number

Another way in which you can obtain your Social Security number is by consulting your prescriptions issued by your general practitioner, since the affiliation number will appear on them. In addition, if you do not have any on hand, another alternative is to go to your nearest clinic, provide your ID and, immediately, they will be able to give you the number you are looking for.

If you are unemployed, you can also obtain your SS number if you look at the document that contains the resolution of the unemployment benefit. You can request this at the SS Treasury, where you can also request a duplicate of the health card if you have lost it or it has been stolen. Only by presenting your identification document will they be able to carry out this procedure and, thus, you will already know your affiliate number.

What is the Social Security number for?

Now that you know the different methods thanks to which you will be able to know your affiliation number, below we are going to tell you why it is important that we write it down and have it since, this body is essential to be able to work legally in the country.

Anyone who wants to work needs, therefore, to be affiliated with Social Security since it is the body in charge of protecting workers, paying for medical leave (due to illness, pregnancy, maternity, etc.) and, above all, it is also the entity that is in charge of collecting public funds to be able to pay pensions to retired people.

Being registered with Social Security, you can work legally but also go to a public medical center to be treated and you can, thus, have health covered.


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