Sweden Postal Code API

Look up postnummers in Sweden with PostalDataPI — sub-10ms responses, one API key for 70+ countries.

Country Code

SE

Format

NNN NN

Example

111 21

About Sweden postnummers

Sweden uses 5-digit postal codes, formatted with a space after the third digit. Stockholm codes start with 1.

Local term: postnummer | Regex pattern: ^\d{3}\s?\d{2}$

API Usage Examples

cURL

curl -X POST https://postaldatapi.com/api/lookup \
  -H "Content-Type: application/json" \
  -d '{"zipcode": "111 21", "country": "SE", "apiKey": "YOUR_API_KEY"}'

Python

from postaldatapi import PostalDataPI

client = PostalDataPI(api_key="YOUR_API_KEY")
result = client.lookup("111 21", country="SE")
print(result.place_name, result.latitude, result.longitude)

Node.js

import { PostalDataPI } from 'postaldatapi';

const client = new PostalDataPI({ apiKey: 'YOUR_API_KEY' });
const result = await client.lookup('111 21', { country: 'SE' });
console.log(result.placeName, result.latitude, result.longitude);

$0.000028 per query

Same price for Sweden and all 70+ countries. No tiers, no per-country pricing.

Sweden Postal Code API | PostalDataPI