Registry / China / Hainan

Postal codes of Hainan (China)

Comprehensive directory for the Hainan hub. Our registry indexes 21 geocoded administrative entries across 19 distinct provinces.

Verified data profile for Hainan

Based on 21 records, 21 postal code values and 21 mapped localities. Coordinate coverage is 100.0%.

Records

Postal identifiers

100.0%

Geocoded

570000

Example code

Postal code	Locality	Administrative path	Coordinates
570000	Haikou	Hainan / Haikou Shi	20.0342, 110.3465
571100	Qiongshan District	Hainan / Haikou Shi / Qiongshan Qu	19.2787, 110.3075
571200	Ding'an County	Hainan / Ding'an County / Ding’an Xian	19.2787, 110.3075
571300	Wenchang	Hainan / Wenchang Shi	19.5516, 110.8028
571400	Qionghai	Hainan / Qionghai County	19.2425, 110.4642
571500	Wanning	Hainan / Wanning Shi	18.7993, 110.3841

Administrative area coverage

Use this page to browse the administrative hierarchy, compare representative postal codes and move to related areas without guessing slugs. The canonical route for this record set is /postal-codes/china/hainan.

How to use this lookup

Open the strongest child areas first when browsing a large administrative region.
Compare related postal prefixes before choosing a local import key.
Use the country dataset when you need full coverage beyond the visible sample.

Records

Database rows represented by this canonical route.

Postal identifiers

Distinct postal code values in this route.

Localities

Mapped place names or administrative entries.

Coordinate coverage

100.0%

Rows with latitude and longitude available.

Detected format

6 digits (NNNNNN)

The detected records use a fixed-length numeric postal code.

Example

570000

Sample code from Haikou.

Browse level

administrative hub

This page connects parent geography, child areas, prefix ranges and downloadable records.

Code	Place	Hierarchy	Coordinates
570000	Haikou	Hainan / Haikou Shi	20.0342, 110.3465
571100	Qiongshan District	Hainan / Haikou Shi / Qiongshan Qu	19.2787, 110.3075
571200	Ding'an County	Hainan / Ding'an County / Ding’an Xian	19.2787, 110.3075
571300	Wenchang	Hainan / Wenchang Shi	19.5516, 110.8028
571400	Qionghai	Hainan / Qionghai County	19.2425, 110.4642

Download postal data

CSV, JSON and XLSX exports for research, validation and data products.

Use the API

Query postal codes by country, place name, region or code prefix.

Implementation notes

Field definitions, canonical paths and practical lookup guidance.

Useful related pages

China

Country · 2,352 records

Data questions

What does the Hainan page cover?

It connects 21 postal records in China with child areas, related prefixes, examples and download/API paths.

How do I browse nearby areas from Hainan?

Use the child-area cards, parent breadcrumbs and related prefix links to move through the canonical hierarchy.

Why are only representative rows visible?

Large administrative pages keep bounded HTML for speed and expose full coverage through dataset exports.

Search Hainan postal codes and localities

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Geographic Context

Hainan is a key administrative jurisdiction within China. Our registry provides a comprehensive overview of its internal divisions, facilitating precise spatial analysis and logistical mapping across its 19 provinces.

Postal code ranges covering Hainan

Use these prefix ranges when you know the first digits or letters of a local postal identifier. Each link opens a country-level range with matching localities and coordinates.

All China prefixes

21 records in this hub, 21 codes nationwide.

Navigate Hainan provinces

Interactive Navigation: Markers represent geometric administrative centroids. Explore the regional registry by clicking on specific spatial clusters.