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Number of Social Security Affiliation in Vigo (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 Vigo. Free procedure, available online or in person at the General Treasury.

Required documents

  • DNI, NIE or passport

    Valid original identity document.

0 €
Free procedure €0.00
€0.00
€0.00

: 2026

Step by step

  • 1

    Online process (recommended)

    Go to official site

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

    !

    Expert tip

    "If you already have Cl@ve, the process is immediate without leaving home."

  • 2

    In person with prior appointment

    Go to official site

    Request an appointment at the General Treasury of Vigo's Social Security.

    !

    Expert tip

    "Always bring your DNI or NIE original document."

Offices and service points - Vigo

General Treasury of the Social Security — Vigo

Monday to Friday: 09:00 - 14:00

Frequently asked questions

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

Official sources and useful links

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