Derived from your name (first letter and first internal vowel of the paternal last name, first letter of the maternal last name, and first letter of the first name). Characters 5-10: Your date of birth in YYMMDD format.
Think of it as a combination of the U.S. Social Security Number (for tracking) and the last four digits of a driver’s license (for verification), but with even broader use. It is an 18-character alphanumeric code assigned to every Mexican citizen and resident, including foreigners with legal status. what is curp number in mexico
| Position | Type | Meaning | Example (GODE561231MDFRT09) | | :--- | :--- | :--- | :--- | | 1 | Letter | First surname’s first letter | (Gómez) | | 2 | Vowel | First surname’s first internal vowel | O (G o mez) | | 3 | Letter | Second surname’s first letter | D (Díaz) | | 4 | Letter | First given name’s first letter | E (Enrique) | | 5 | Digit | Last two digits of birth year | 56 (1956) | | 6 | Digit | Two-digit birth month | 12 (December) | | 7 | Digit | Two-digit birth day | 31 (31st) | | 8 | Letter | Gender (H = Male / M = Female) | M (Male) | | 9 | Letter | State of birth (2-letter code) | DF (Mexico City - Distrito Federal) | | 10-11 | Letters | First internal consonants of surnames | R (from Gómez), T (from Díaz) | | 12 | Letter | First internal consonant of first name | 0 (Zero – often a digit to avoid duplication) | | 13 | Digit | Homoclave (prevents duplicates) | 9 | | 14-18 | Digit/Letter | Consecutive & checksum digits | 09 | Derived from your name (first letter and first