UN/LOCODE Port & Location Code Formatter
Validates 5-character UN/LOCODE port and location codes (e.g., USNYC, NLRTM, SGSIN).
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: UNECE Recommendation 16 UN/LOCODE
Formula: 2-letter Country Code + 3-letter Location Code (e.g. US + NYC)
Checks: Exact 5-character string structure
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.