Application for Social Security Number in Sabadell (2026)
Verified on:
Cost
Free
Free process
Time at office
30 minutes at the appointment
Estimated time
Immediate online
Quick summary
How to obtain the Social Security Registration Number (NAF) in Sabadell. Free process, available online or at the General Treasury Office.
Required documents
-
DNI, NIE or passport
Valid original identity document.
0 €
Free process €0.00
€0.00
€0.00
: 2026
Step by step
- 1
Online application (recommended)
Go to official siteAccess with Cl@ve or digital certificate to the Social Security Electronic Portal.
!Expert tip
"If you already have a Cl@ve, the process is immediate from home."
- 2
In-person with prior appointment
Go to official siteRequest an appointment at the General Treasury of Social Security in Sabadell.
!Expert tip
"Always bring your DNI or NIE original."
Offices and service points - Sabadell
General Treasury of Social Security — Sabadell
Monday to Friday: 09:00 - 14:00
Frequently asked questions
Is NAF the same as NIF?
No. The NAF (Registration Number) is exclusive 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 NAF?
When starting work, if you become 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.