Postal entity record
US 48854 Postal Code Data Source-backed
48854 postal code facts for Mason, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMason
RegionMI
Nearby rows12
Key metadata
| Place | Mason |
|---|---|
| Admin area | Michigan / MI |
| Local area | Ingham |
| Coordinates | 42.5796, -84.4561 |
| 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 48854 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 | Michigan |
| postal_code | centroid | 42.5796, -84.4561 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 48805 | Okemos | Michigan | 4.5 mi |
| 48842 | Holt | Michigan | 5.4 mi |
| 49251 | Leslie | Michigan | 8.4 mi |
| 48819 | Dansville | Michigan | 8.5 mi |
| 48864 | Okemos | Michigan | 8.9 mi |
| 48911 | Lansing | Michigan | 9.3 mi |
| 48951 | Lansing | Michigan | 9.5 mi |
| 48910 | Lansing | Michigan | 9.6 mi |
| 48825 | East Lansing | Michigan | 10 mi |
| 49264 | Onondaga | Michigan | 10.3 mi |
| 48824 | East Lansing | Michigan | 10.4 mi |
| 48821 | Dimondale | Michigan | 10.9 mi |