Postal code 54139 covers 1 verified locality record in Korea (South) with interactive boundary centroid map and administrative hierarchy.
Compare 54139 with adjacent postal codes in the same area or prefix range:
Postal code 54139 belongs to the 54 prefix district in Korea (South).
Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.
Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/korea-south/code/54139.
| Code | Place | Hierarchy | Coordinates |
|---|---|---|---|
| 54139 | 군산시 | 전라북도 / 군산시 | 35.9645, 126.6998 |
Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.
The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.