Katwijk Municipalty Postal codes

Complete Location Hierarchy

Municipalities connect provinces with districts in The Netherlands. This level improves postal code lookup accuracy for shipping, address validation, and local delivery planning.

South Holland
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Province
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Municipality · Current

Interactive map of Katwijk Municipalty · The Netherlands — postal codes & coordinates

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Free JSON for Katwijk Municipalty.

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API reference
Example request
GEThttps://api.listpostcode.com/v1/countries/NL/resolve?path=/south-holland/katwijk-municipalty
curl -H "x-api-key: YOUR_API_KEY" \
  "https://api.listpostcode.com/v1/countries/NL/resolve?path=/south-holland/katwijk-municipalty"