21 Area Code
Guantánamo Province · Cuba
Country code +53 · ISO CU
Example 21 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| (021) 234567 | +53 21 234567 | +5321234567 |
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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.
- · Guantánamo Province
How to Dial Cuba Numbers
From abroad
Dial +53 followed by the national number, dropping any leading 0.
Within Cuba
Dial 0 before the local number to make a domestic call.
Dialing out of Cuba
Dial 119 followed by the destination country code and number.
Frequently Asked Questions
Where is the 21 area code?
└ The 21 area code covers Guantánamo Province in Cuba.
How do I dial a 21 number?
└ From abroad, dial +53 21 followed by the local number. Within Cuba, dial 021 before the local number.