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Look up, validate and enrich postal codes worldwide
Get the city, state and coordinates for a postal code.
2 fields
Check whether a postal code exists; valid=false is a successful response.
Validate 1–1,000 records in input order, including mixed countries.
1 field
Find postal codes by city; US queries require state or ST.
4 fields
Get all country-specific metadata using the recommended metacode endpoint.
Query the deprecated metazip alias; prefer Get Postal Code Metadata for new workflows.
