Brand directory/King/Serial number
Start with your instrument

When was it made?

Enter the serial number marked on your King instrument — usually on the valve casing, bell or receiver.

Cleveland steel.
A band-room standard.
In this archive
Serial numbers & production eras · 1893–2000
Result format
Year or estimated range
Additional details
Factory & series, when known
Where can I find the number?
Free to explore. No account needed.
Where to find the number
trumpet, cornet

Common practice for King (H.N. White): the serial sits on the valve section — usually the rear of the 2nd valve casing. No official diagram exists; when unsure, check two or three spots.

Frequently asked
What serial numbers does this archive cover for King?

The archive currently covers 4 series and 58 dating ranges from 1893 to 2000, compiled from published maker records and reference charts. Coverage grows as new tables are verified.

Where is the serial number on a King instrument?

Common practice for King (H.N. White): the serial sits on the valve section — usually the rear of the 2nd valve casing. No official diagram exists; when unsure, check two or three spots. The exact spot varies by era and instrument type — the serial number guide walks through the common locations.

What if my King serial number is not found?

Recheck the characters exactly as marked, including any letters and leading zeros. Letter-prefixed numbers often belong to student or non-domestic lines that cannot be dated from the number. Some production periods may simply not be covered yet.