Shenzhen Port Code: CNSNZ
The UN/LOCODE port code for Shenzhen, China, is CNSNZ. Function: seaport, airport.
Click a code to copy it.
CNSZX or CNSZP?
In UN/LOCODE 2025-1, CNSZX is listed as Shenzhen Baoan International Apt (an airport), CNSZP as Shenzhen Pt (the seaport) and CNSNZ as Shenzhen (the city, with port and airport functions). Older documents and some carrier, forwarder or bank systems may still use CNSZX for the port or the city, so confirm which code your booking, shipping instructions and letter of credit use, and keep it the same on every document.
Related UN/LOCODEs
| Code | Name | Function |
|---|---|---|
| CNSZP | Shenzhen Pt | Seaport |
| CNSZX | Shenzhen Baoan International Apt | Airport |
A city can have separate codes for its port, its airport and nearby terminals or depots. Use the one that matches where the goods are loaded or delivered, and the same one on every document.
How to write it on your documents
- Commercial invoice and packing list: Port of loading / discharge: Shenzhen, China (CNSNZ)
- Shipping instructions and bill of lading: write the port name as on the booking, with CNSNZ if your forwarder asks for the code
- Letter of credit: if the credit names this port, copy its wording exactly (for example “any port in China” or “Shenzhen, China”)
Other port codes in China
Source: UN/LOCODE 2025-1 (UNECE), public domain via the datasets/un-locode project. Names are shown as in UN/LOCODE, usually in the local spelling.
Common questions
What is CNSNZ?
CNSNZ is the UN/LOCODE (United Nations Code for Trade and Transport Locations) of Shenzhen, China. CN is the country code and SNZ the location. Function: seaport, airport.
What is the port code for Shenzhen?
CNSNZ; the same place also has CNSZP (seaport), CNSZX (airport). Use the code your carrier or forwarder uses on the booking, and the same one on every document.
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