Postal entity record
US 30021 Postal Code Data Source-backed
30021 postal code facts for Clarkston, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceClarkston
RegionGA
Nearby rows12
Key metadata
| Place | Clarkston |
|---|---|
| Admin area | Georgia / GA |
| Local area | DeKalb |
| Coordinates | 33.8101, -84.2388 |
| 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 30021 to Clarkston, 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 | Clarkston |
| postal_code | admin_area | Georgia |
| postal_code | centroid | 33.8101, -84.2388 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 30079 | Scottdale | Georgia | 1.6 mi |
| 30072 | Pine Lake | Georgia | 2.3 mi |
| 30083 | Stone Mountain | Georgia | 2.4 mi |
| 30033 | Decatur | Georgia | 2.5 mi |
| 30002 | Avondale Estates | Georgia | 2.9 mi |
| 30085 | Tucker | Georgia | 3.3 mi |
| 30084 | Tucker | Georgia | 3.5 mi |
| 30087 | Stone Mountain | Georgia | 3.9 mi |
| 30345 | Atlanta | Georgia | 4 mi |
| 30031 | Decatur | Georgia | 4.1 mi |
| 30036 | Decatur | Georgia | 4.1 mi |
| 30037 | Decatur | Georgia | 4.1 mi |