CN China Major Cities Postal Codes
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📮 China Postal Code FAQ & Postal Regulations
❓ Common FAQ
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How many digits are in a Chinese postal code?Chinese postal codes consist of 6 digits only, e.g., 100080 (Zhongguancun, Beijing)
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How to find a postal code for an address?Use China Post official website, Alipay/WeChat post service mini-programs, or call 11185 hotline
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What happens if I write a wrong postal code?May cause 3-5 days delay. Post offices will attempt manual sorting, but accuracy is critical for important documents
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Do different city districts share the same postal code?Usually not. The first 2 digits represent province/city, the 3rd digit indicates postal zone, last 3 digits specify delivery office
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Is Chinese postal code required for international mail?Mandatory! Must add 6-digit code at the end of address line in Chinese, e.g., China 518000
📋 China Postal Regulations & Tips
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Standard FormatWrite postal code on a separate line above address using monospace font:
100080
27 Zhongguancun St, Haidian District, Beijing
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Weight RestrictionsMax 30kg per parcel, total dimensions ≤2m. Overweight items require separate boxes
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Delivery TimelineLocal: 1-2 days, Interprovince: 3-5 days, Remote areas: 7-10 days. Expect 3-7 days delay during CNY/Singles' Day
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Prohibited ItemsStrictly forbidden: Lithium batteries, flammable liquids, cash, jewelry. Medicines require receipts, liquids must be leak-proof
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E-Label BenefitsUse electronic labels: Auto-identify postal codes, enjoy 5% postage discount, reduce handwriting errors