Denmark Postal Code API

About Denmark postnummers

Denmark uses 4-digit postal codes. Copenhagen codes are 1000-2999, Greenland uses 3900-3999.

Local term: postnummer | Regex pattern: ^\d{4}$

API Usage Examples

curl -X POST https://postaldatapi.com/api/lookup \
  -H "Content-Type: application/json" \
  -d '{"zipcode": "1000", "country": "DK", "apiKey": "YOUR_API_KEY"}'

from postaldatapi import PostalDataPI

client = PostalDataPI(api_key="YOUR_API_KEY")
result = client.lookup("1000", country="DK")
print(result.place_name, result.latitude, result.longitude)

import { PostalDataPI } from 'postaldatapi';

const client = new PostalDataPI({ apiKey: 'YOUR_API_KEY' });
const result = await client.lookup('1000', { country: 'DK' });
console.log(result.placeName, result.latitude, result.longitude);