Postal entity record
US 57440 Postal Code Data Source-backed
57440 postal code facts for Frankfort, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceFrankfort
RegionSD
Nearby rows12
Key metadata
| Place | Frankfort |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Spink |
| Coordinates | 44.8084, -98.2935 |
| 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 57440 to Frankfort, 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 | Frankfort |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 44.8084, -98.2935 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57436 | Doland | South Dakota | 9.8 mi |
| 57469 | Redfield | South Dakota | 11.5 mi |
| 57476 | Tulare | South Dakota | 13.9 mi |
| 57424 | Ashton | South Dakota | 17.2 mi |
| 57348 | Hitchcock | South Dakota | 17.4 mi |
| 57477 | Turton | South Dakota | 18.5 mi |
| 57258 | Raymond | South Dakota | 18.8 mi |
| 57322 | Carpenter | South Dakota | 21 mi |
| 57386 | Yale | South Dakota | 23.4 mi |
| 57434 | Conde | South Dakota | 23.9 mi |
| 57429 | Brentford | South Dakota | 24.6 mi |
| 57461 | Mellette | South Dakota | 26.2 mi |