+53 is the country code for Cuba.
Every phone number in Cuba starts with +53 when you call it from another country. From the US, dial 011 53, then the number without its first 0.
- Time there
- Havana timeCuba Time, UTC-5 to UTC-4
- From the US or Canada
- 011 53 5 1234567
- From the UK and most of Europe
- 00 53 5 1234567
- From Australia
- 0011 53 5 1234567
- From any mobile phone
- +53 5 1234567
- Inside Cuba
- 05 1234567
- Mobile numbers
- 8 digits after +53, starting 5, 62, 63 or 64
- Landlines
- 6 to 10 digits after +53, such as +53 7 XXXXXXX in Havana City
- Toll-free numbers
- Start with 0800
Check a +53 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +53, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
16 landline areas cover Cuba, from 07 in Havana City to 049 in Artemisa Province.
| At home | From abroad | Area |
|---|---|---|
| 07 | +53 7 | Havana City |
| 021 | +53 21 | GuantĂĄnamo Province |
| 022 | +53 22 | Santiago de Cuba Province |
| 023 | +53 23 | Granma Province |
| 024 | +53 24 | HolguĂn Province |
| 031 | +53 31 | Las Tunas Province |
| 032 | +53 32 | CamagĂźey Province |
| 033 | +53 33 | Ciego de Ăvila Province |
| 041 | +53 41 | Sancti SpĂritus Province |
| 042 | +53 42 | Villa Clara Province |
| 043 | +53 43 | Cienfuegos Province |
| 045 | +53 45 | Matanzas Province |
| 046 | +53 46 | Isle of Youth |
| 047 | +53 47 | Mayabeque and Artemisa |
| 048 | +53 48 | Pinar del RĂo Province |
| 049 | +53 49 | Artemisa Province |
In Cuba, the phone number format for apps and SMS gateways is +53 followed by the number without its 0.
| Written | Example | Where you see it |
|---|---|---|
| At home | 05 1234567 | Business cards, local ads |
| International | +53 5 1234567 | Websites, email signatures |
| E.164 | +5351234567 | APIs, SMS gateways, CRMs |
A missed call from a +53 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back an international number you don't know. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline in Cuba is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +53 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +53.
Which country uses the +53 country code?
Cuba. Every phone number there starts with +53 when it is dialed from abroad.
How do I call Cuba from the US?
Dial 011, then 53, then the number without its first 0. A mobile number written 05 1234567 at home is dialed 011 53 5 1234567 from the US, or +53 5 1234567 from any mobile phone.
Is +53 the same as 0053?
Yes. 00 is the exit code used in most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
How many digits is a phone number in Cuba?
A mobile number has 8 digits after +53, written 05 1234567 at home. A landline has 6 to 10 digits, written (07) XXXXXXX at home.
What time is it in Cuba?
Cuba is on Cuba Time, UTC-5 in winter and UTC-4 in summer.
How do I check a +53 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from Cuba and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.