Postal entity record
US 57311 Postal Code Data Source-backed
57311 postal code facts for Alexandria, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceAlexandria
RegionSD
Nearby rows12
Key metadata
| Place | Alexandria |
|---|---|
| Admin area | South Dakota / SD |
| Local area | Hanson |
| Coordinates | 43.6684, -97.7563 |
| 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 57311 to Alexandria, 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 | Alexandria |
| postal_code | admin_area | South Dakota |
| postal_code | centroid | 43.6684, -97.7563 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 57340 | Fulton | South Dakota | 8.5 mi |
| 57332 | Emery | South Dakota | 8.9 mi |
| 57374 | Spencer | South Dakota | 10.1 mi |
| 57301 | Mitchell | South Dakota | 14 mi |
| 57334 | Ethan | South Dakota | 14.3 mi |
| 57319 | Bridgewater | South Dakota | 16.5 mi |
| 57331 | Dimock | South Dakota | 18.3 mi |
| 57321 | Canova | South Dakota | 18.6 mi |
| 57058 | Salem | South Dakota | 19.4 mi |
| 57366 | Parkston | South Dakota | 21.5 mi |
| 57337 | Fedora | South Dakota | 21.9 mi |
| 57354 | Kaylor | South Dakota | 23.1 mi |