The first three characters of a VIN are the World Manufacturer Identifier (WMI). 3N1 is assigned to Nissan, built in Mexico (North America). Any VIN that starts with 3N1 decodes to Nissan. The sample VINs below are checksum-valid and start with 3N1.
| Field | Value |
|---|---|
| WMI | 3N1 (VIN positions 1–3) |
| Manufacturer | Nissan |
| Country of assembly | Mexico |
| Region | North America (from the first character, 3) |
| Models seen here | Sentra, Versa, Kicks |
Nissan test VINs · Decode a 3N1 VIN →
After the 3N1 WMI, positions 4–8 describe the model, body and engine; position 9 is the mod-11 check digit; position 10 is the model year; position 11 is the assembly plant; and positions 12–17 are the serial number. See the full 17-digit VIN format.
3N1 is a Nissan WMI. Every VIN beginning with 3N1 was built by Nissan and decodes to that make.
The first character 3 places the manufacturer in Mexico (North America region) under the VIN standard.
No. They are synthetically generated but checksum-valid and use the real 3N1 WMI, so a decoder returns Nissan. No real vehicle's VIN is used.