The new docs.trellix.com features a modernized UI and AI-powered conversational search. Content is currently available in English, with additional languages launching in early November 2026. We hope you enjoy the updated experience.

Mexico Social Security Number

Published on Sep 2, 2026

1 minute(s) read

Prev Next

Mexico's Institute of Social Security issues the Mexico Social Security number and is needed to apply for the Mexican Social Security Medical Insurance.

Validator

Mexican Social Security Number — Validates Mod 10 checksum.

Matched expressions

Regex expressions	Description	Score
`\b(?:[0-9]{2}-){3}[0-9]{4}-[0-9]\b`	Matches an 11-digit number of the format NN-NN-NN-NNNN-N.	1
`\b[0-9]{11}\b`	Matches an 11-digit number of the format NNNNNNNNNNN.	1

Ignored expressions

None

Was this article helpful?