021 area code — Guantánamo Province
In Cuba, the area code 021 covers Guantánamo Province. Numbers are written internationally as +53 21.
How to call Guantánamo Province
- From abroad
- +53 21 XXX XXXX
- Within Cuba
- 021 XXX XXXX
- Country calling code
- +53
About the 021 area code
When you see a number beginning +53 21, it belongs to Guantánamo Province: the 53 is Cuba's country calling code and 21 is the area code.
Area codes like 021 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Cuba number. To actually receive an SMS on a Cuba number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Guantánamo Province?
Guantánamo Province uses the area code 021, written internationally as +53 21.
How do I call Guantánamo Province from another country?
Dial your international access code, then +53 21, then the local number — dropping the national leading 0.
What time is it in Guantánamo Province?
Guantánamo Province is in the America/Havana time zone; the live clock above shows the current local time.
Is 021 a mobile or a landline code?
021 is a geographic (landline) area code for Guantánamo Province. Mobile numbers in Cuba use their own separate prefixes.