Postal entity record
US 54661 Postal Code Data Source-backed
54661 postal code facts for Trempealeau, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceTrempealeau
RegionWI
Nearby rows12
Key metadata
| Place | Trempealeau |
|---|---|
| Admin area | Wisconsin / WI |
| Local area | Trempealeau |
| Coordinates | 44.0218, -91.4282 |
| 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 54661 to Trempealeau, 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 | Trempealeau |
| postal_code | admin_area | Wisconsin |
| postal_code | centroid | 44.0218, -91.4282 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 54630 | Galesville | Wisconsin | 5.8 mi |
| 55925 | Dakota | Minnesota | 7.6 mi |
| 54636 | Holmen | Wisconsin | 9.4 mi |
| 54625 | Dodge | Wisconsin | 9.5 mi |
| 55942 | Homer | Minnesota | 12.6 mi |
| 54650 | Onalaska | Wisconsin | 13 mi |
| 54627 | Ettrick | Wisconsin | 13.2 mi |
| 55987 | Winona | Minnesota | 13.6 mi |
| 55947 | La Crescent | Minnesota | 14.1 mi |
| 54629 | Fountain City | Wisconsin | 14.7 mi |
| 54603 | La Crosse | Wisconsin | 14.9 mi |
| 54602 | La Crosse | Wisconsin | 15.2 mi |