Postal entity record
US 54856 Postal Code Data Source-backed
54856 postal code facts for Mason, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMason
RegionWI
Nearby rows12
Key metadata
| Place | Mason |
|---|---|
| Admin area | Wisconsin / WI |
| Local area | Bayfield |
| Coordinates | 46.4399, -91.1318 |
| 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 54856 to Mason, 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 | Mason |
| postal_code | admin_area | Wisconsin |
| postal_code | centroid | 46.4399, -91.1318 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 54816 | Benoit | Wisconsin | 5 mi |
| 54839 | Grand View | Wisconsin | 5.8 mi |
| 54832 | Drummond | Wisconsin | 11.5 mi |
| 54855 | Marengo | Wisconsin | 14.1 mi |
| 54821 | Cable | Wisconsin | 16 mi |
| 54847 | Iron River | Wisconsin | 16.8 mi |
| 54846 | High Bridge | Wisconsin | 19.2 mi |
| 54891 | Washburn | Wisconsin | 19.7 mi |
| 54806 | Ashland | Wisconsin | 20.4 mi |
| 54517 | Clam Lake | Wisconsin | 22 mi |
| 54820 | Brule | Wisconsin | 22.2 mi |
| 54546 | Mellen | Wisconsin | 24.7 mi |