Postal entity record
US 57439 Postal Code Data Source-backed
57439 postal code facts for Ferney, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceFerney
RegionSD
Nearby rows12
Key metadata
| Place | Ferney |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Brown |
| Coordinates | 45.329, -98.0837 |
| GeoNames accuracy | 4 |
| Source | GeoNames postal code data |
| License | GeoNames postal data; provided as-is with attribution required. |
| Snapshot date | 2026-06-02 |
What this record means
This row links US 57439 to Ferney, the available admin area, centroid coordinates, source accuracy, and source snapshot metadata.
Use it as a reference-data join for cleaning CRM rows, grouping operational reports, preparing territory QA, or checking whether an imported postal value has a source-backed match.
What the centroid can support
The latitude and longitude represent a postal centroid from the source snapshot. They are useful for approximate map previews, nearby-record review, deduplication checks, and distance-based QA.
They should not be treated as an official delivery boundary, address-level geocode, tax boundary, or service-area guarantee.
Sample CSV enrichment output
| Input field | Added output | Example value |
|---|---|---|
| postal_code | matched_place | Ferney |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 45.329, -98.0837 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57445 | Groton | South Dakota | 8.4 mi |
| 57474 | Stratford | South Dakota | 9.9 mi |
| 57422 | Andover | South Dakota | 10.3 mi |
| 57434 | Conde | South Dakota | 13.5 mi |
| 57219 | Bristol | South Dakota | 13.7 mi |
| 57427 | Bath | South Dakota | 15.8 mi |
| 57429 | Brentford | South Dakota | 16.2 mi |
| 57468 | Pierpont | South Dakota | 17.5 mi |
| 57479 | Warner | South Dakota | 19.1 mi |
| 57477 | Turton | South Dakota | 20.1 mi |
| 57401 | Aberdeen | South Dakota | 21.7 mi |
| 57402 | Aberdeen | South Dakota | 22.2 mi |