Postal entity record
US 57659 Postal Code Data Source-backed
57659 postal code facts for Walker, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceWalker
RegionSD
Nearby rows12
Key metadata
| Place | Walker |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Corson |
| Coordinates | 45.9103, -101.0904 |
| 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 57659 to Walker, 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 | Walker |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 45.9103, -101.0904 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 58568 | Selfridge | North Dakota | 9.1 mi |
| 57642 | Mc Laughlin | South Dakota | 9.8 mi |
| 57621 | Bullhead | South Dakota | 10 mi |
| 57641 | Mc Intosh | South Dakota | 14.3 mi |
| 57660 | Watauga | South Dakota | 20.3 mi |
| 58569 | Shields | North Dakota | 20.6 mi |
| 57639 | Little Eagle | South Dakota | 21.3 mi |
| 58538 | Fort Yates | North Dakota | 24.5 mi |
| 57645 | Morristown | South Dakota | 30.5 mi |
| 57658 | Wakpala | South Dakota | 30.5 mi |
| 58564 | Raleigh | North Dakota | 30.8 mi |
| 57630 | Glencross | South Dakota | 32.9 mi |