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Number of Social Security Affiliation in Tarragona (2026)

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Cost

Free

Free procedure

Time at office

30 minutes at the appointment

Estimated time

Immediate online

Quick summary

How to obtain the Number of Social Security Affiliation (NAF) in Tarragona. Free procedure, online or in person at the General Treasury.

Required documents

  • ID card, NIE or passport

    Valid original identification document.

0 €
Free procedure €0.00
€0.00
€0.00

: 2026

Step by step

  • 1

    Online procedure (recommended)

    Go to official site

    Log in with Cl@ve or digital certificate to the Social Security Electronic Office.

    !

    Expert tip

    "If you already have Cl@ve, the process is immediate and can be done from home."

  • 2

    In person with prior appointment

    Go to official site

    Request an appointment at the General Treasury of Social Security in Tarragona.

    !

    Expert tip

    "Always bring your ID card or NIE original."

Offices and service points - Tarragona

General Treasury of Social Security — Tarragona

Monday to Friday: 09:00 - 14:00

Frequently asked questions

Is NAF the same as NIF?
No. The NAF (Number of Affiliation) is specific to Social Security and serves for contributions. The NIF is the fiscal ID (your DNI or NIE). They are different documents.
When do I need the NAF?
When starting work, when you become self-employed, or when you need access to Social Security benefits.

Official sources and useful links

This guide is for informational purposes only. Always check the official source for current information.