Postal entity record
US 57201 Postal Code Data Source-backed
57201 postal code facts for Watertown, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceWatertown
RegionSD
Nearby rows12
Key metadata
| Place | Watertown |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Codington |
| Coordinates | 44.9043, -97.124 |
| 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 57201 to Watertown, 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 | Watertown |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 44.9043, -97.124 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57245 | Kranzburg | South Dakota | 10.1 mi |
| 57223 | Castlewood | South Dakota | 13 mi |
| 57238 | Goodwin | South Dakota | 13 mi |
| 57235 | Florence | South Dakota | 13.1 mi |
| 57242 | Hazel | South Dakota | 13.6 mi |
| 57263 | South Shore | South Dakota | 15.4 mi |
| 57243 | Henry | South Dakota | 15.7 mi |
| 57241 | Hayti | South Dakota | 17.4 mi |
| 57265 | Strandburg | South Dakota | 18.8 mi |
| 57272 | Wallace | South Dakota | 19.9 mi |
| 57264 | Stockholm | South Dakota | 20.6 mi |
| 57248 | Lake Norden | South Dakota | 22.4 mi |