Postal entity record
US 48028 Postal Code Data Source-backed
48028 postal code facts for Harsens Island, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceHarsens Island
RegionMI
Nearby rows12
Key metadata
| Place | Harsens Island |
|---|---|
| Admin area | Michigan / MI |
| Local area | St. Clair |
| Coordinates | 42.585, -82.586 |
| 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 48028 to Harsens Island, 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 | Harsens Island |
| postal_code | admin_area | Michigan |
| postal_code | centroid | 42.585, -82.586 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 48001 | Algonac | Michigan | 3.6 mi |
| 48039 | Marine City | Michigan | 7.2 mi |
| 48023 | Fair Haven | Michigan | 9.1 mi |
| 48047 | New Baltimore | Michigan | 11.4 mi |
| 48045 | Harrison Township | Michigan | 12 mi |
| 48054 | East China | Michigan | 13.4 mi |
| 48064 | Casco | Michigan | 13.4 mi |
| 48051 | New Baltimore | Michigan | 14.1 mi |
| 48046 | Mount Clemens | Michigan | 14.9 mi |
| 48043 | Mount Clemens | Michigan | 15.1 mi |
| 48048 | New Haven | Michigan | 15.6 mi |
| 48082 | Saint Clair Shores | Michigan | 15.7 mi |