Postal entity record
US 51557 Postal Code Data Source-backed
51557 postal code facts for Mondamin, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMondamin
RegionIA
Nearby rows12
Key metadata
| Place | Mondamin |
|---|---|
| Admin area | Iowa / IA |
| Local area | Harrison |
| Coordinates | 41.7089, -96.0072 |
| 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 51557 to Mondamin, 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 | Mondamin |
| postal_code | admin_area | Iowa |
| postal_code | centroid | 41.7089, -96.0072 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 51556 | Modale | Iowa | 5.1 mi |
| 51545 | Little Sioux | Iowa | 7 mi |
| 51550 | Magnolia | Iowa | 7 mi |
| 51564 | Pisgah | Iowa | 9 mi |
| 51555 | Missouri Valley | Iowa | 11.6 mi |
| 51546 | Logan | Iowa | 12.2 mi |
| 68061 | Tekamah | Nebraska | 12.5 mi |
| 68008 | Blair | Nebraska | 13.8 mi |
| 68009 | Blair | Nebraska | 14.9 mi |
| 68029 | Herman | Nebraska | 15 mi |
| 51523 | Blencoe | Iowa | 15.3 mi |
| 51579 | Woodbine | Iowa | 15.9 mi |