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Postal Codes Solution
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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-hu-sample
| Field | Type | Description | Constraints | Title |
|---|---|---|---|---|
| country_code | string | ISO 3166-1 alpha-2 -- always HU | Country Code | |
| postal_code | string | Hungarian postal code (4 digits) | { "pattern": "^\\d{4}$" } | Postal Code |
| place_name | string | Locality/place name | Place Name | |
| admin_name1 | string | Megye (county) or Budapest -- 20/20 covered | Administrative Name 1 | |
| admin_code1 | string | ISO 3166-2:HU code | Administrative Code 1 | |
| admin_name2 | string | Not populated -- jaras (district) is genuinely absent from GeoNames' postal export for Hungary, and GeoNames' own general gazetteer covers only a small fraction of places at this tier, too sparse to close the gap; see ATTRIBUTION.txt | Administrative Name 2 | |
| admin_code2 | string | Not populated | Administrative Code 2 | |
| admin_name3 | string | Not populated in this release | Administrative Name 3 | |
| admin_code3 | string | Not populated | Administrative Code 3 | |
| latitude | number | GeoNames latitude (WGS84) | Latitude | |
| longitude | number | GeoNames longitude (WGS84) | Longitude | |
| accuracy | string | GeoNames accuracy of latitude/longitude. GeoNames documents 1=estimated, 4=geonameid, 6=centroid of addresses or shape; other values (e.g. 3) occur upstream without documentation. Empty where GeoNames gives none. | Accuracy | |
| alternative_city_name | string | Not populated in this release | Alternative City Name |
Download
Download sample CSVAbout
- Last updated
- 6 October 2026
- Total rows
- 100
- Format
- CSV
- File size
- 5.54 kB
About this dataset
Postal Codes Dataset for Hungary (HU)
This dataset lists Hungarian postal codes with place names and the county (megye) tier: every county plus Budapest.
Column definitions, row count, size and last-updated date are in datapackage.yaml.
Data Sources
- Postal codes, place names, counties and coordinates: © GeoNames postal code export for Hungary, CC BY 4.0.
Changes made to the source data: county codes given as ISO 3166-2:HU (the HU- prefix added to GeoNames' own two-letter county code); literal "nan" values emptied.
Not endorsed by, or affiliated with, GeoNames.
See ATTRIBUTION.txt for the full attribution notice.
Known limitations
- County-tier administrative data only. This release does not carry a district (járás) tier: GeoNames' postal export has it genuinely empty for Hungary, and GeoNames' own general gazetteer covers only a small fraction of places at that tier. Magyar Posta and KSH sources were checked but neither has a confirmed open redistribution licence.
- GeoNames' Csongrád county keeps its pre-2020 name; the official name since 2020 is "Csongrád-Csanád". The ISO code (HU-CS) is the same either way.
alternative_city_nameis empty.- A postal code can appear on several rows when it covers several place names.
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