Postal entity record
US 78218 Postal Code Data Source-backed
78218 postal code facts for San Antonio, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceSan Antonio
RegionTX
Nearby rows12
Key metadata
| Place | San Antonio |
|---|---|
| Admin area | Texas / TX |
| Local area | Bexar |
| Coordinates | 29.4969, -98.4032 |
| 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 78218 to San Antonio, 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 | San Antonio |
| postal_code | admin_area | Texas |
| postal_code | centroid | 29.4969, -98.4032 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 78239 | San Antonio | Texas | 2.8 mi |
| 78217 | San Antonio | Texas | 3.1 mi |
| 78209 | San Antonio | Texas | 3.3 mi |
| 78244 | San Antonio | Texas | 3.6 mi |
| 78233 | San Antonio | Texas | 4.7 mi |
| 78219 | San Antonio | Texas | 4.8 mi |
| 78109 | Converse | Texas | 5.1 mi |
| 78208 | San Antonio | Texas | 5.2 mi |
| 78206 | San Antonio | Texas | 5.4 mi |
| 78241 | San Antonio | Texas | 5.4 mi |
| 78243 | San Antonio | Texas | 5.4 mi |
| 78246 | San Antonio | Texas | 5.4 mi |