Postal entity record
US 48230 Postal Code Data Source-backed
48230 postal code facts for Grosse Pointe, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceGrosse Pointe
RegionMI
Nearby rows12
Key metadata
| Place | Grosse Pointe |
|---|---|
| Admin area | Michigan / MI |
| Local area | Wayne |
| Coordinates | 42.3847, -82.9244 |
| 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 48230 to Grosse Pointe, 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 | Grosse Pointe |
| postal_code | admin_area | Michigan |
| postal_code | centroid | 42.3847, -82.9244 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 48215 | Detroit | Michigan | 1.5 mi |
| 48224 | Detroit | Michigan | 2 mi |
| 48236 | Grosse Pointe | Michigan | 3.2 mi |
| 48213 | Detroit | Michigan | 3.6 mi |
| 48214 | Detroit | Michigan | 3.7 mi |
| 48225 | Harper Woods | Michigan | 3.7 mi |
| 48205 | Detroit | Michigan | 4.3 mi |
| 48021 | Eastpointe | Michigan | 5.7 mi |
| 48207 | Detroit | Michigan | 5.7 mi |
| 48080 | Saint Clair Shores | Michigan | 6 mi |
| 48211 | Detroit | Michigan | 6 mi |
| 48089 | Warren | Michigan | 6.9 mi |