Postal entity record
US 57326 Postal Code Data Source-backed
57326 postal code facts for Chamberlain, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceChamberlain
RegionSD
Nearby rows12
Key metadata
| Place | Chamberlain |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Brule |
| Coordinates | 43.8108, -99.3307 |
| 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 57326 to Chamberlain, 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 | Chamberlain |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 43.8108, -99.3307 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57325 | Chamberlain | South Dakota | 1.4 mi |
| 57365 | Oacoma | South Dakota | 3.3 mi |
| 57370 | Pukwana | South Dakota | 7.9 mi |
| 57569 | Reliance | South Dakota | 14.4 mi |
| 57339 | Fort Thompson | South Dakota | 17 mi |
| 57355 | Kimball | South Dakota | 19.1 mi |
| 57534 | Hamill | South Dakota | 21.4 mi |
| 57341 | Gann Valley | South Dakota | 22.5 mi |
| 57548 | Lower Brule | South Dakota | 24.1 mi |
| 57544 | Kennebec | South Dakota | 26.5 mi |
| 57346 | Stephan | South Dakota | 30.8 mi |
| 57383 | White Lake | South Dakota | 31.3 mi |