Postal entity record
US 48439 Postal Code Data Source-backed
48439 postal code facts for Grand Blanc, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceGrand Blanc
RegionMI
Nearby rows12
Key metadata
| Place | Grand Blanc |
|---|---|
| Admin area | Michigan / MI |
| Local area | Genesee |
| Coordinates | 42.9282, -83.6264 |
| 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 48439 to Grand Blanc, 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 | Grand Blanc |
| postal_code | admin_area | Michigan |
| postal_code | centroid | 42.9282, -83.6264 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 48480 | Grand Blanc | Michigan | 0.9 mi |
| 48529 | Burton | Michigan | 3.7 mi |
| 48519 | Burton | Michigan | 4 mi |
| 48411 | Atlas | Michigan | 4.6 mi |
| 48551 | Flint | Michigan | 5.6 mi |
| 48552 | Flint | Michigan | 5.6 mi |
| 48553 | Flint | Michigan | 5.7 mi |
| 48531 | Flint | Michigan | 6.1 mi |
| 48507 | Flint | Michigan | 6.6 mi |
| 48503 | Flint | Michigan | 6.7 mi |
| 48509 | Burton | Michigan | 6.8 mi |
| 48502 | Flint | Michigan | 6.9 mi |