Postal entity record
US 54450 Postal Code Data Source-backed
54450 postal code facts for Mattoon, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMattoon
RegionWI
Nearby rows12
Key metadata
| Place | Mattoon |
|---|---|
| Admin area | Wisconsin / WI |
| Local area | Shawano |
| Coordinates | 45.0062, -89.0474 |
| 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 54450 to Mattoon, 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 | Mattoon |
| postal_code | admin_area | Wisconsin |
| postal_code | centroid | 45.0062, -89.0474 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 54464 | Phlox | Wisconsin | 3.5 mi |
| 54416 | Bowler | Wisconsin | 6.1 mi |
| 54409 | Antigo | Wisconsin | 9.8 mi |
| 54414 | Birnamwood | Wisconsin | 9.8 mi |
| 54150 | Neopit | Wisconsin | 10.7 mi |
| 54430 | Elton | Wisconsin | 13.1 mi |
| 54418 | Bryant | Wisconsin | 13.8 mi |
| 54499 | Wittenberg | Wisconsin | 13.9 mi |
| 54408 | Aniwa | Wisconsin | 15.2 mi |
| 54427 | Eland | Wisconsin | 15.5 mi |
| 54978 | Tilleda | Wisconsin | 16.3 mi |
| 54128 | Gresham | Wisconsin | 16.5 mi |