Postal code 20409 covers 1 verified locality record in United States with interactive boundary centroid map and administrative hierarchy.
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Postal code 20409 belongs to the 20 prefix district in United States.
Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| 20409 | Washington | District of Columbia / District of Columbia | 38.8933, -77.0146 |
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/united-states/code/20409.
| Code | Place | Hierarchy | Coordinates |
|---|---|---|---|
| 20409 | Washington | District of Columbia / District of Columbia | 38.8933, -77.0146 |
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The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.