Generate a test Canada Social Insurance Number
A Canadian Social Insurance Number (SIN) is a nine-digit, Luhn-checksummed identifier formatted NNN-NNN-NNN. These test numbers begin with 8, a digit never assigned to a person, so they are Luhn-valid yet cannot be a real SIN.
✓ Reserved range · safe Validate a number →
860 599 265
Begins with 8, which is never assigned — Luhn-valid but cannot be a real SIN.
Format specification
| Identifier | Social Insurance Number (SIN) |
|---|---|
| Country | 🇨🇦 Canada |
| Format | NNN NNN NNN |
| Length | 9 characters |
| Checksum | Luhn |
| Example | 872 913 637 |
| Safe strategy | Reserved range |
| Data quality | Verified against sources |
Validation regex
Matches the canonical value — strip separators and uppercase first: value.replace(/[^A-Za-z0-9]/g, '').toUpperCase()
^\d{9}$ References
Common questions
Will these pass my validation?
Yes — they are well-formed Social Insurance Number values (NNN NNN NNN) and pass standard format checks, including the Luhn checksum.
Could one belong to a real person?
Begins with 8, which is never assigned — Luhn-valid but cannot be a real SIN.
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.