Social Security Affiliation Number in A Coruña (2026)
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Cost
Free
Free procedure
Time at office
30 minutes at the appointment
Estimated time
Instant online
Quick summary
How to obtain the Social Security Affiliation Number (NAF) in A Coruña. Free procedure, online or in-person at the General Treasury.
Required documents
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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 siteAccess 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 appointment
Go to official siteRequest an appointment at the General Treasury of Social Security in A Coruña.
!Expert tip
"Always bring your DNI or NIE original document."
Offices and service points - Coruna
General Treasury of Social Security — A Coruña
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 your tax ID number (your DNI or NIE). They are different documents.
When do I need the NAF?
When you start working, if you self-employed, or when you need to access Social Security benefits.
Official sources and useful links
This guide is for informational purposes only. Always check the official source for current information.