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Postal data hub

Postal code lookup, enrichment, and reference review.

Use this hub to move between single-record lookup, batch CSV enrichment, entity details, and source limitations for postal workflows.

Primary datasetGeoNames postalGlobal shards generated at deploy
Result modelSource fieldsLocation and accuracy
Batch modeCSV uploadBrowser parsed
Entity pagesOn demandServed from source shards

ZIP Code Lookup

Validate one ZIP and review city, county, timezone, map, confidence, and exports.

Open workflow

Batch ZIP Enricher

Upload CSV rows, detect postal columns, validate values, enrich fields, and export.

Open workflow

Postal Entity Records

Inspect a shareable reference detail page with facts, metadata, nearby areas, and source notes.

Open workflow

Dataset readiness

Source review
3 rows shown
GeoNames postal indexGenerated global shardsLookup, batch, and entity recordsCentroids, not official boundaries
CSV enrichmentUser upload or real exampleBatch workbenchCSV stays in browser
Source registryGenerated manifestData Sources pageLicense and update notes

Postal area preview

94105 - San Francisco, CA9410594107 - San Francisco, CA9410794615 - Oakland, CA9461594607 - Oakland, CA9460794662 - Emeryville, CA9466294604 - Oakland, CA9460494617 - Oakland, CA9461794623 - Oakland, CA9462394624 - Oakland, CA9462494649 - Oakland, CA9464994659 - Oakland, CA9465994660 - Oakland, CA9466094661 - Oakland, CA9466194666 - Oakland, CA9466694501 - Alameda, CA9450194608 - Emeryville, CA9460894612 - Oakland, CA9461294701 - Berkeley, CA9470194966 - Sausalito, CA9496694609 - Oakland, CA9460994710 - Berkeley, CA9471094965 - Sausalito, CA9496594702 - Berkeley, CA9470294920 - Belvedere Tiburon, CA9492094606 - Oakland, CA9460694610 - Oakland, CA9461094703 - Berkeley, CA9470394622 - Oakland, CA9462294502 - Alameda, CA9450294712 - Berkeley, CA9471294706 - Albany, CA9470694618 - Oakland, CA9461894620 - Piedmont, CA9462094705 - Berkeley, CA9470594704 - Berkeley, CA9470494709 - Berkeley, CA9470994601 - Oakland, CA9460194720 - Berkeley, CA9472094707 - Berkeley, CA9470794602 - Oakland, CA9460294611 - Oakland, CA9461194708 - Berkeley, CA9470894804 - Richmond, CA9480494530 - El Cerrito, CA9453094802 - Richmond, CA9480294807 - Richmond, CA9480794808 - Richmond, CA9480894850 - Richmond, CA9485094801 - Richmond, CA9480194614 - Oakland, CA9461494941 - Mill Valley, CA9494194619 - Oakland, CA9461994613 - Oakland, CA9461394621 - Oakland, CA9462194805 - Richmond, CA9480594925 - Corte Madera, CA9492594942 - Mill Valley, CA9494294964 - San Quentin, CA9496494974 - San Quentin, CA9497494976 - Corte Madera, CA9497694603 - Oakland, CA9460394605 - Oakland, CA9460594516 - Canyon, CA9451694977 - Larkspur, CA9497794939 - Larkspur, CA9493994806 - San Pablo, CA9480694577 - San Leandro, CA9457794563 - Orinda, CA9456394803 - El Sobrante, CA9480394904 - Greenbrae, CA9490494820 - El Sobrante, CA9482094901 - San Rafael, CA9490194579 - San Leandro, CA9457994914 - Kentfield, CA9491494556 - Moraga, CA9455694912 - San Rafael, CA9491294913 - San Rafael, CA9491394957 - Ross, CA9495794578 - San Leandro, CA9457894564 - Pinole, CA9456494970 - Stinson Beach, CA94970
GeoNames ZIP coverageCoordinate preview based on ZIP centroids; not official boundaries.

This map is a visual preview for the product UI, not a boundary dataset.

How to choose a workflow

  • 1Need one answer?
    Use ZIP Lookup and export the selected record.
  • 2Need many rows?
    Use Batch ZIP Enricher to parse CSV rows locally and append reference fields.
  • 3Need shareable context?
    Open the entity page for any matched postal code from lookup results.