청주시 상당구 Postal codes

Complete Location Hierarchy

Cities connect provinces with districts in South Korea. This level improves postal code lookup accuracy for shipping, address validation, and local delivery planning.

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Interactive map of 청주시 상당구 · South Korea — postal codes & coordinates

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Developer API

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Free JSON for 청주시 상당구.

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API reference
Example request
GEThttps://api.listpostcode.com/v1/countries/KR/resolve?path=/x-geonameskra105/x-geonameskra20533011
curl -H "x-api-key: YOUR_API_KEY" \
  "https://api.listpostcode.com/v1/countries/KR/resolve?path=/x-geonameskra105/x-geonameskra20533011"