Postal entity record
US 63123 Postal Code Data Source-backed
63123 postal code facts for Saint Louis, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceSaint Louis
RegionMO
Nearby rows12
Key metadata
| Place | Saint Louis |
|---|---|
| Admin area | Missouri / MO |
| Local area | St. Louis |
| Coordinates | 38.5476, -90.3241 |
| GeoNames accuracy | 1 |
| 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 63123 to Saint Louis, 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 | Saint Louis |
| postal_code | admin_area | Missouri |
| postal_code | centroid | 38.5476, -90.3241 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 63125 | Saint Louis | Missouri | 2.1 mi |
| 63109 | Saint Louis | Missouri | 3.1 mi |
| 63126 | Saint Louis | Missouri | 3.1 mi |
| 63119 | Saint Louis | Missouri | 3.2 mi |
| 63116 | Saint Louis | Missouri | 4.1 mi |
| 63111 | Saint Louis | Missouri | 4.2 mi |
| 63143 | Saint Louis | Missouri | 4.4 mi |
| 63127 | Saint Louis | Missouri | 4.6 mi |
| 63139 | Saint Louis | Missouri | 4.7 mi |
| 63128 | Saint Louis | Missouri | 4.8 mi |
| 63144 | Saint Louis | Missouri | 5.1 mi |
| 63117 | Saint Louis | Missouri | 5.7 mi |