Franklin ZIP codes
Complete Location Hierarchy
Municipalities connect counties with places in United States. This level improves ZIP code lookup accuracy for shipping, address validation, and local delivery planning.
Interactive map of Franklin · United States — ZIP codes & coordinates
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Free JSON for Franklin.
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Example request
GET
https://api.listpostcode.com/v1/countries/US/resolve?path=/illinois/franklin/franklincurl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/US/resolve?path=/illinois/franklin/franklin"