Postal entity record
US 30557 Postal Code Data Source-backed
30557 postal code facts for Martin, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMartin
RegionGA
Nearby rows12
Key metadata
| Place | Martin |
|---|---|
| Admin area | Georgia / GA |
| Local area | Stephens |
| Coordinates | 34.487, -83.1849 |
| 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 30557 to Martin, 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 | Martin |
| postal_code | admin_area | Georgia |
| postal_code | centroid | 34.487, -83.1849 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 30538 | Eastanollee | Georgia | 4.4 mi |
| 30553 | Lavonia | Georgia | 4.7 mi |
| 30577 | Toccoa | Georgia | 9.1 mi |
| 30521 | Carnesville | Georgia | 9.4 mi |
| 30516 | Bowersville | Georgia | 9.8 mi |
| 30520 | Canon | Georgia | 10.2 mi |
| 29643 | Fair Play | South Carolina | 11.5 mi |
| 30598 | Toccoa Falls | Georgia | 12.2 mi |
| 29693 | Westminster | South Carolina | 14.6 mi |
| 30662 | Royston | Georgia | 14.7 mi |
| 30639 | Franklin Springs | Georgia | 14.9 mi |
| 29689 | Townville | South Carolina | 16.6 mi |