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Postal Codes Solution
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API Access

Access dataset files directly from scripts, code, or AI agents.

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Dataset Files

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.

/logistics/postal-codes-hk/

├ .licensing-notes.md

https://datahub.io/logistics/postal-codes-hk/_r/-/.licensing-notes.md

├ .migration-notes.md

https://datahub.io/logistics/postal-codes-hk/_r/-/.migration-notes.md

├ ATTRIBUTION.txt

https://datahub.io/logistics/postal-codes-hk/_r/-/ATTRIBUTION.txt

├ README.md

https://datahub.io/logistics/postal-codes-hk/_r/-/README.md

└ datapackage.yaml

https://datahub.io/logistics/postal-codes-hk/_r/-/datapackage.yaml

Key Files

Start with these files — they give you everything you need to understand and access the dataset.

datapackage.yaml— metadata & schema

https://datahub.io/logistics/postal-codes-hk/_r/-/datapackage.yaml

README.md— documentation

https://datahub.io/logistics/postal-codes-hk/_r/-/README.md

Typical Usage

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

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postal-codes-hk

Field	Type	Description	Title
country_code	string	ISO 3166-1 alpha-2 code for the country.	Country Code
postal_code	string	Always empty: Hong Kong has no postal code system.	Postal Code
place_name	string	Name of the city, town, or place.	Place Name
admin_name1	string	District (one of the 18 districts of Hong Kong). Empty where GeoNames assigns the place to no district.	Administrative Name 1
admin_code1	string	Always empty: Hong Kong has no ISO 3166-2 subdivision codes.	Administrative Code 1
admin_name2	string	Secondary administrative division (e.g., county, district).	Administrative Name 2
admin_code2	string	Code for the secondary administrative division.	Administrative Code 2
admin_name3	string	Tertiary administrative division (e.g., municipality, borough).	Administrative Name 3
admin_code3	string	Code for the tertiary administrative division.	Administrative Code 3
latitude	number	Latitude coordinate of the place.	Latitude
longitude	number	Longitude coordinate of the place.	Longitude
accuracy	string	Always empty: the GeoNames gazetteer dump carries no accuracy value.	Accuracy
alternative_city_name	string	Alternative name(s) for the city or place.	Alternative City Name

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About

Last updated: 6 October 2026
Total rows: 1,342
Format: CSV
File size: 68.2 kB
Source: GeoNames main gazetteer dump -- Hong Kong (HK)
License: Creative Commons Attribution 4.0 International

About this dataset

Postal Codes Dataset for Hong Kong (HK)

Hong Kong has no postal code system, by deliberate policy. This is a free locality directory of populated places grouped by district, with coordinates. It is not a substitute postal-code list: postal_code is empty on every row.

Column definitions, row count, size and last-updated date are in datapackage.yaml.

Data Sources

District names: the GeoNames admin1 reference table, same licence.

Changes made to the source data: only populated places (feature class P) kept; GeoNames' district codes mapped to plain district names with the redundant "District" suffix dropped; coordinates unchanged.

Not endorsed by, or affiliated with, GeoNames.

Known limitations

Hong Kong has no ISO 3166-2 subdivisions, so admin_code1 is empty on every row.
Places on GeoNames' reserved admin1 bucket "00" or with no admin1 have an empty district rather than a guessed one.
accuracy, alternative_city_name and the second and third administrative levels are empty.

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