San Diego ZIP codes
Complete Location Hierarchy
Counties connect states with municipalities in United States. This level improves ZIP code lookup accuracy for shipping, address validation, and local delivery planning.
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Interactive map of San Diego · United States — ZIP codes & coordinates
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Developer API
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Free JSON for San Diego.
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Example request
GET
https://api.listpostcode.com/v1/countries/US/resolve?path=/california/san-diegocurl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/US/resolve?path=/california/san-diego"