Postal entity record
US 51331 Postal Code Data Source-backed
51331 postal code facts for Arnolds Park, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceArnolds Park
RegionIA
Nearby rows12
Key metadata
| Place | Arnolds Park |
|---|---|
| Admin area | Iowa / IA |
| Local area | Dickinson |
| Coordinates | 43.3637, -95.1282 |
| 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 51331 to Arnolds Park, 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 | Arnolds Park |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 43.3637, -95.1282 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 51355 | Okoboji | Iowa | 1.8 mi |
| 51351 | Milford | Iowa | 3.5 mi |
| 51360 | Spirit Lake | Iowa | 4.4 mi |
| 51364 | Terril | Iowa | 8.2 mi |
| 51363 | Superior | Iowa | 10.2 mi |
| 51347 | Lake Park | Iowa | 11.2 mi |
| 51301 | Spencer | Iowa | 15.1 mi |
| 51334 | Estherville | Iowa | 15.8 mi |
| 51333 | Dickens | Iowa | 16.1 mi |
| 51345 | Harris | Iowa | 17 mi |
| 51365 | Wallingford | Iowa | 17 mi |
| 51338 | Everly | Iowa | 17.1 mi |