Lookup workbench

Postal code lookup with data cards, map context, and export.

Search by country plus postal code, city, county, or region. Compare matches, inspect key facts, review nearby areas, and export the selected record.

Default example

US 94105 resolves to San Francisco before upload or search.

Open this result

The generated GeoNames snapshot returns San Francisco, CA,City and County of San Francisco, America/Los_Angeles, centroid coordinates, source accuracy, nearby postal rows, and export-ready fields.

PlaceSan FranciscoCA
Local areaCity and County of San FranciscoGeoNames admin field
TimezoneAmerica/Los_AngelesReference enrichment
Nearby rows620 mile centroid radius
94107San FranciscoCA1.7 mi4
94615OaklandCA5 mi4
94607OaklandCA5.9 mi4
94662EmeryvilleCA6.5 mi4
94604OaklandCA6.6 mi4
94617OaklandCA6.6 mi4
success

Result ready with source notes, nearby postal codes, and exports.

US 94105 Valid match

San Francisco, CA maps to City and County of San Francisco. Radius and nearby rows use centroid distance, not official delivery boundaries.

Confidence82%
GeoNames accuracy4
CountryUS
Nearby in radius6
CountryUS
PlaceSan Francisco
Admin areaCalifornia (CA)
Local areaCity and County of San Francisco
Lat / lng37.7864, -122.3892
GeoNames accuracy4
SourceGeoNames postal code data
LicenseCC BY 4.0 attribution; data provided as-is
Source updated2026-05-29
Accuracy notePostal centroid and administrative fields from GeoNames; not official USPS boundary data.
6 rows shown
US94107San FranciscoCA1.7 mi4
US94615OaklandCA5 mi4
US94607OaklandCA5.9 mi4
US94662EmeryvilleCA6.5 mi4
US94604OaklandCA6.6 mi4
US94617OaklandCA6.6 mi4

Nearby postal actions