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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-dz-sample
| Field | Type | Description | Constraints | Title |
|---|---|---|---|---|
| country_code | string | ISO 3166-1 alpha-2 -- always DZ | Country Code | |
| postal_code | string | Algerian postal code (5 digits) | { "pattern": "^\\d{5}$" } | Postal Code |
| place_name | string | Post office / locality name | Place Name | |
| admin_name1 | string | Wilaya (province) -- 48/69 current wilayas covered | Administrative Name 1 | |
| admin_code1 | string | ISO 3166-2:DZ wilaya code (zero-padded, e.g. DZ-01) | { "pattern": "^DZ-\\d{2}$" } | Administrative Code 1 |
| admin_name2 | string | Not populated -- no second admin tier in this source | Administrative Name 2 | |
| admin_code2 | string | Not populated | Administrative Code 2 | |
| admin_name3 | string | Not populated | 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
- 5.58 kB
About this dataset
Postal Codes Dataset for Algeria (DZ)
This dataset lists the five-digit postal codes of Algeria with post office and locality names, wilayas (provinces) and WGS84 coordinates. It covers the original wilayas; those created in the 2019 and 2025 reforms are not represented.
Column definitions, row count, size and last-updated date are in datapackage.yaml.
Data Sources
- Postal codes, place names, wilayas and coordinates: © GeoNames, postal code export for Algeria, CC BY 4.0.
Changes made to the source data: wilaya codes (admin_code1) written as ISO 3166-2:DZ codes (DZ- plus the
zero-padded wilaya number) with no renumbering or renaming.
Not endorsed by, or affiliated with, GeoNames.
Known limitations
- Algeria gained new wilayas in the 2019 and 2025 reforms. The source covers only the original wilayas and no source has published postal codes for the newer ones, so they are missing.
- The source has no administrative tier below the wilaya, so
admin_name2,admin_code2,admin_name3andadmin_code3are empty.alternative_city_nameis not populated.
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:
Algerian codes can start with zero (01000).
For other inquiries, contact datahub@datopian.com