Postal entity record
US 51009 Postal Code Data Source-backed
51009 postal code facts for Calumet, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceCalumet
RegionIA
Nearby rows12
Key metadata
| Place | Calumet |
|---|---|
| Admin area | Iowa / IA |
| Local area | O'Brien |
| Coordinates | 42.9444, -95.5515 |
| 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 51009 to Calumet, 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 | Calumet |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 42.9444, -95.5515 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 51058 | Sutherland | Iowa | 4.4 mi |
| 51029 | Larrabee | Iowa | 5.8 mi |
| 51046 | Paullina | Iowa | 8.1 mi |
| 51245 | Primghar | Iowa | 10.4 mi |
| 51047 | Peterson | Iowa | 10.8 mi |
| 51037 | Meriden | Iowa | 11.8 mi |
| 51014 | Cleghorn | Iowa | 12.4 mi |
| 51012 | Cherokee | Iowa | 13.6 mi |
| 51035 | Marcus | Iowa | 15.4 mi |
| 51231 | Archer | Iowa | 15.4 mi |
| 51033 | Linn Grove | Iowa | 16 mi |
| 51357 | Royal | Iowa | 16 mi |