청주시 청원구 Postal codes

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Free JSON for 청주시 청원구.

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API reference
Example request
GEThttps://api.listpostcode.com/v1/countries/KR/resolve?path=/x-geonameskra105/x-geonameskra205x
curl -H "x-api-key: YOUR_API_KEY" \
  "https://api.listpostcode.com/v1/countries/KR/resolve?path=/x-geonameskra105/x-geonameskra205x"