21 Area Code
Shanghai · China
Country code +86 · ISO CN
Example 21 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| 021 1234 5678 | +86 21 1234 5678 | +862112345678 |
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Pre-filled with a 21 sample number. Edit it and click "Try It" to see the parsed result.
Cities and Regions
Locations served by the 21 area code, according to Google's libphonenumber.
- · Shanghai
How to Dial China Numbers
From abroad
Dial +86 followed by the national number, dropping any leading 0.
Within China
Dial 0 before the local number to make a domestic call.
Frequently Asked Questions
Where is the 21 area code?
└ The 21 area code covers Shanghai in China.
How do I dial a 21 number?
└ From abroad, dial +86 21 followed by the local number. Within China, dial 021 before the local number.