Washburn N4 Serial Numbers [portable] Jun 2026

| Serial Prefix | Era / Factory | Key Details | |---------------|----------------|-------------| | | 1990–1992 (USA) | Made by the Washburn Custom Shop in Chicago (later Buffalo Grove, IL). These are the original, highly sought-after N4s. | | B | 1992–1994 (USA) | Still USA-made, often with slight spec changes. Some B-series were made by the Washburn Custom Shop or contracted luthiers. | | C | 1994–1998 (USA) | Late USA production. Quality remains high, but transition to import models began during this period. | | D | 1998–2000 (USA) | Final USA-made runs. Some D-series were assembled in the US from imported parts. | | No letter / 6-digit | 2000–2005 (Import) | First mass-imported N4s, typically made in Korea (by Samick or Cort). | | WN4 + numbers | 2005–present (Import) | Modern format. Most are made in Indonesia (by Wildwood) or China. Some limited runs in Japan or USA. |

Understanding your N4’s serial number allows you to: washburn n4 serial numbers

Unlike generic guitars where a serial number is simply a production tracking code, the Washburn N4 serial number tells a story. Because the N4 has been in production for over 30 years across various factories and price points, the serial number is the primary identifier for: | Serial Prefix | Era / Factory |

Unlike Fender or Gibson, Washburn has used multiple serial number formats over the years, varying by factory, country of origin, and era. This guide will walk you through every format, helping you decode your guitar’s birthday, identify rare collectible runs, and avoid fakes. Some B-series were made by the Washburn Custom