Postal entity record
US 45040 Postal Code Data Source-backed
45040 postal code facts for Mason, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceMason
RegionOH
Nearby rows12
Key metadata
| Place | Mason |
|---|---|
| Admin area | Ohio / OH |
| Local area | Warren |
| Coordinates | 39.3357, -84.3149 |
| 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 45040 to Mason, 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 | Mason |
| postal_code | admin_area | Ohio |
| postal_code | centroid | 39.3357, -84.3149 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 45034 | Kings Mills | Ohio | 3.9 mi |
| 45039 | Maineville | Ohio | 4 mi |
| 45069 | West Chester | Ohio | 4.5 mi |
| 45249 | Cincinnati | Ohio | 4.7 mi |
| 45071 | West Chester | Ohio | 4.9 mi |
| 45065 | South Lebanon | Ohio | 6.1 mi |
| 45242 | Cincinnati | Ohio | 6.5 mi |
| 45140 | Loveland | Ohio | 7 mi |
| 45241 | Cincinnati | Ohio | 7.1 mi |
| 45050 | Monroe | Ohio | 7.8 mi |
| 45147 | Miamiville | Ohio | 8.5 mi |
| 45246 | Cincinnati | Ohio | 9.2 mi |