Social Security Number (AMKA) generator (Greece)
A Greek AMKA is an eleven-digit social-security number beginning with the date of birth, with a Luhn check digit. These test values are synthetic but Luhn-valid.
Synthetic · not collision-guaranteed Validate a number →
18015299268
Synthetic AMKA (Luhn-valid). Not a real issued number.
Format specification
| Identifier | Social Security Number (AMKA) (ΑΜΚΑ) |
|---|---|
| Country | 🇬🇷 Greece |
| Format | 00000000000 |
| Length | 11 characters |
| Checksum | Luhn |
| Example | 20049513631 |
| Safe strategy | Synthetic |
| Data quality | Verified against sources |
Social Security Number (AMKA): what each part means
| 000000 | Date of birth as DDMMYY. |
|---|---|
| 0000 | Serial number distinguishing people born on the same day. |
| 0 | Luhn check digit over the first ten digits. |
Validation regex
Matches the canonical value — strip separators and uppercase first: value.replace(/[^A-Za-z0-9]/g, '').toUpperCase()
^\d{11}$ References
Common questions
Will these pass my validation?
Yes — they are well-formed Social Security Number (AMKA) values (00000000000) and pass standard format checks, including the Luhn checksum.
Could one belong to a real person?
These are synthetic values. They are format-valid but not drawn from a guaranteed reserved range, so use them only for testing.
Can I generate many at once?
Increase the count, or use the free API and CSV/JSON export for large datasets.
For software testing only. These numbers are synthetic and must never be used
for real-world identification, applications, or to impersonate anyone.