https://www.zip-codes.com/api
ZIP Code API for US & Canada Postal Codes | Zip-Codes.com
Fast, accurate ZIP code and postal code API for the US and Canada. Geocoding, radius search, autocomplete, ACS demographics, and more. 2,500 free credits per...
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https://www.metadapi.com/API-Directory/Zip-Code-API
US Zip Code API - Enhanced Data for the United States Zip Codes
USPS (United States Postal Service)zip code api with a comprehensive data model in JSON format. Fast, REST API endpoints include distance calculations, radius,...
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