Postal entity record
US 61865 Postal Code Data Source-backed
61865 postal code facts for Potomac, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlacePotomac
RegionIL
Nearby rows12
Key metadata
| Place | Potomac |
|---|---|
| Admin area | Illinois / IL |
| Local area | Vermilion |
| Coordinates | 40.309, -87.8232 |
| 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 61865 to Potomac, 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 | Potomac |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 40.309, -87.8232 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 61831 | Collison | Illinois | 6.2 mi |
| 61848 | Henning | Illinois | 6.5 mi |
| 61862 | Penfield | Illinois | 7.1 mi |
| 61812 | Armstrong | Illinois | 7.3 mi |
| 60963 | Rossville | Illinois | 8.9 mi |
| 60932 | East Lynn | Illinois | 10.7 mi |
| 60960 | Rankin | Illinois | 10.7 mi |
| 61847 | Gifford | Illinois | 11 mi |
| 61871 | Royal | Illinois | 11.3 mi |
| 61811 | Alvin | Illinois | 11.4 mi |
| 61814 | Bismarck | Illinois | 11.6 mi |
| 61834 | Danville | Illinois | 13 mi |