Sire

Sire's modern serials come in two generations: an 8-digit plain numeric (Gen 1) and a 2N-prefixed 10-digit format (Gen 2). Both encode the year in the first two significant digits.

Sources 1 Community view all

Decode a Sire serial

Quick pick

Find your shape, jump to the format

8 digits Gen 1 — 8-digit primary e.g. 20123456 Varies
2N21123456 Gen 2 — 2N + 8 digits primary e.g. 2N21123456 Current

Supported formats

Gen 1 — 8-digit

Varies

Example 20123456 Try it →

Eight plain digits. The first two are the 2-digit year, the remaining six are sequential.

Gen 2 — 2N + 8 digits

Current

Example 2N21123456 Try it →

The 2N prefix, then 8 digits. The first two post-prefix digits are the 2-digit year, the remaining six are sequential.

Where to find your serial

Sire serials are printed or stamped on the back of the headstock on current production.

Back of headstock

Standard location for all current Sire instruments; the serial is printed or lightly impressed.

Sources

Note on source quality: Sire does not publish an official serial-number decoder. The YYWW convention below is consistently reported by community resellers and dealer references; we have not sighted a canonical Sire-authored specification. If you have a manufacturer-authored source, please open an issue.

Still Kickin Music — Lakland and Sire Serial Number Database Community

Dealer-maintained serial-number database; documents the YYWW-prefix convention used by Sire across Gen 1 and Gen 2 serials.

Every format rule on this page traces back to at least one of the sources above. If you spot an error or have an additional authoritative source, see the methodology.