Postal entity record
US 57251 Postal Code Data Source-backed
57251 postal code facts for Marvin, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMarvin
RegionSD
Nearby rows12
Key metadata
| Place | Marvin |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Grant |
| Coordinates | 45.2727, -96.91 |
| 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 57251 to Marvin, 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 | Marvin |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 45.2727, -96.91 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57269 | Twin Brooks | South Dakota | 5.1 mi |
| 57266 | Summit | South Dakota | 8.5 mi |
| 57279 | Wilmot | South Dakota | 10 mi |
| 57263 | South Shore | South Dakota | 12.2 mi |
| 57264 | Stockholm | South Dakota | 12.7 mi |
| 57227 | Corona | South Dakota | 13.3 mi |
| 57256 | Ortley | South Dakota | 13.7 mi |
| 57252 | Milbank | South Dakota | 14.6 mi |
| 57216 | Big Stone City | South Dakota | 17 mi |
| 57265 | Strandburg | South Dakota | 17.2 mi |
| 57257 | Peever | South Dakota | 17.7 mi |
| 57246 | Labolt | South Dakota | 19.3 mi |