Postal entity record
US 57755 Postal Code Data Source-backed
57755 postal code facts for Ludlow, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceLudlow
RegionSD
Nearby rows10
Key metadata
| Place | Ludlow |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Harding |
| Coordinates | 45.8366, -103.3491 |
| 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 57755 to Ludlow, 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 | Ludlow |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 45.8366, -103.3491 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57650 | Ralph | South Dakota | 15.1 mi |
| 58653 | Scranton | North Dakota | 20.4 mi |
| 57720 | Buffalo | South Dakota | 21.4 mi |
| 58623 | Bowman | North Dakota | 23.4 mi |
| 57651 | Reva | South Dakota | 25.3 mi |
| 58649 | Reeder | North Dakota | 27.3 mi |
| 57640 | Lodgepole | South Dakota | 28.4 mi |
| 58651 | Rhame | North Dakota | 28.6 mi |
| 58639 | Hettinger | North Dakota | 31.1 mi |
| 57649 | Prairie City | South Dakota | 31.5 mi |