Postal entity record
US 37148 Postal Code Data Source-backed
37148 postal code facts for Portland, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlacePortland
RegionTN
Nearby rows12
Key metadata
| Place | Portland |
|---|---|
| Admin area | Tennessee / TN |
| Local area | Sumner |
| Coordinates | 36.5673, -86.5059 |
| 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 37148 to Portland, 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 | Portland |
| postal_code | admin_area | Tennessee |
| postal_code | centroid | 36.5673, -86.5059 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 37119 | Mitchellville | Tennessee | 4.8 mi |
| 37048 | Cottontown | Tennessee | 7.5 mi |
| 37049 | Cross Plains | Tennessee | 9.5 mi |
| 37022 | Bethpage | Tennessee | 11.1 mi |
| 37141 | Orlinda | Tennessee | 11.1 mi |
| 42135 | Franklin | Kentucky | 11.4 mi |
| 42134 | Franklin | Kentucky | 11.5 mi |
| 37188 | White House | Tennessee | 11.8 mi |
| 37066 | Gallatin | Tennessee | 13.1 mi |
| 37186 | Westmoreland | Tennessee | 15 mi |
| 42120 | Adolphus | Kentucky | 15.4 mi |
| 37031 | Castalian Springs | Tennessee | 16.9 mi |