Postal Code Lookup
Find the postal code of Chinese provinces and major cities. Instant.
Provinces Cities Offline
Postal code
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How it works
1
Pick province
Choose a province or region.
2
Pick city
Choose a city from the list.
3
Get code
The postal code appears instantly.
Why use Ercc Postal Lookup?
Offline
The data is bundled, works without internet.
Quick
Two clicks to any major city code.
Free
No signup, no limits.
FAQ
Frequently Asked Questions
All provincial capitals and major prefecture cities are covered. Smaller counties may be missing.
Codes follow the national standard and rarely change; major cities are stable.
Not yet. Currently you select province and city.
Yes, the data is bundled in the page.
Yes, 100% free.