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Postal Codes Solution
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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-sk-sample
| Field | Type | Description | Constraints | Title |
|---|---|---|---|---|
| country_code | string | ISO 3166-1 alpha-2 -- always SK | Country Code | |
| postal_code | string | Slovak postal code (PSC, 5 digits with a space, NNN NN) | { "pattern": "^\\d{3} \\d{2}$" } | Postal Code |
| place_name | string | Locality/place name | Place Name | |
| admin_name1 | string | Kraj (region) -- 8/8 covered | Administrative Name 1 | |
| admin_code1 | string | ISO 3166-2:SK code | Administrative Code 1 | |
| admin_name2 | string | Okres (district) -- 79 distinct values | Administrative Name 2 | |
| admin_code2 | string | GeoNames' own internal district code -- not an official ISO code | Administrative Code 2 | |
| admin_name3 | string | Not populated -- no third admin tier in this source | 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
- 8.94 kB
About this dataset
Postal Codes Dataset for Slovakia (SK)
This dataset lists Slovak postal codes with place names, the kraje (regions) and okresy (districts), and WGS84 coordinates.
Column definitions, row count, size and last-updated date are in datapackage.yaml.
Data Sources
- Postal codes, place names, administrative divisions and coordinates: © GeoNames,
postal code export for Slovakia, CC BY 4.0.
See
ATTRIBUTION.txt.
Changes made to the source data: SK- prefix added to the region code in admin_code1, giving the ISO 3166-2:SK code
(GeoNames' kraj codes already match ISO letter for letter).
Not endorsed by, or affiliated with, GeoNames.
Known limitations
- The primary key is (
postal_code,place_name); one postal code can appear on several rows. - There is no third administrative tier:
admin_name3andadmin_code3are empty, as isalternative_city_name.
Usage
The dataset files are available in CSV format and can be accessed and downloaded using
the links provided in datapackage.yaml. Read postal_code as text, never as a number:
Slovak codes can start with zero (010 01).
For other inquiries, contact datahub@datopian.com