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Postal Codes Solution
Every worldwide postal-code dataset in one bundle — the ultimate global reference for precise postal codes.
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- CC0 1.0 Universal (public domain) — LJPc-solutions postal codes and coordinates license
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API Access
Access dataset files directly from scripts, code, or AI agents.
Each file has a stable URL (r-link) that you can use directly in scripts, apps, or AI agents. These URLs are permanent and safe to hardcode.
Start with these files — they give you everything you need to understand and access the dataset.
- 1. Fetch datapackage.yaml to inspect schema and resources
- 2. Download data resources listed in datapackage.yaml
- 3. Read README.md for full context
Data Files
postal-codes-nl-sample
| Field | Type | Description | Constraints | Title |
|---|---|---|---|---|
| country_code | string | ISO 3166-1 alpha-2 country code — always NL | { "pattern": "^NL$", "required": true } | Country Code |
| postal_code | string | Dutch postal code, format 'NNNNAA' (4 digits + 2 letters) | { "pattern": "^[0-9]{4}[A-Z]{2}$", "required": true } | Postal Code |
| place_name | string | Locality (woonplaats) served by the postal code | Place Name | |
| admin_name1 | string | Province (provincie) | Administrative Name 1 | |
| admin_code1 | string | ISO 3166-2:NL province code, prefix stripped (e.g. NH, ZH) | Administrative Code 1 | |
| admin_name2 | string | Municipality (gemeente) | Administrative Name 2 | |
| admin_code2 | string | Reserved — no municipality code in the source; always blank | Administrative Code 2 | |
| admin_name3 | string | Locality (woonplaats) — the third administrative tier | Administrative Name 3 | |
| admin_code3 | string | Reserved — always blank | Administrative Code 3 | |
| latitude | number | Latitude, decimal degrees (WGS84) | Latitude | |
| longitude | number | Longitude, decimal degrees (WGS84) | Longitude | |
| accuracy | string | Coordinate precision tier — BLOCK (postcode-block level) | Accuracy | |
| alternative_city_name | string | Not available for this dataset — always blank | Alternative City Name |
Download
Download sample CSVAbout
- Last updated
- 11 October 2026
- Total rows
- 100
- Format
- CSV
- File size
- 7.99 kB
About this dataset
Postal Codes Dataset for Netherlands (NL)
This dataset lists Dutch postal codes in the format NNNNAA (four digits and two letters) with province, municipality and locality (woonplaats), and block-level coordinates.
Column definitions, row count, size and last-updated date are in datapackage.yaml.
Data Sources
- Postal codes and coordinates: LJPc-solutions Nederlandse adressen en postcodes, CC0 1.0 Universal (public domain).
- Province, municipality and locality names: Bron: CBS (Statistics Netherlands), table 86097NED "Woonplaatsen in Nederland 2025", CC BY 4.0.
Changes made to the source data: address rows reduced to one row per postal code and locality, coordinates rounded to 5 decimal places, and province, municipality and locality taken from the matched CBS record.
Not endorsed by, or affiliated with, CBS or LJPc-solutions.
Usage
The dataset files are available in CSV format and can be accessed and downloaded using
the links provided in datapackage.yaml.
For other inquiries, contact datahub@datopian.com