phones Country calling codes · EN / 中文
🇨🇺

Cuba +53

International code · North America

How to dial

Calling from abroad +53 X XXX XXXX

Dial +53, then the local number. Drop the leading trunk prefix 0. Generate the full number →

For domestic long distance dial 0 first, then the area code. Local calls: dial directly.

Mobile length
8 digits
Mobile prefixes
X XXX XXXX
International format
+53 X XXX XXXX
Domestic trunk
0

Sign-up availability

What to expect when signing up for these services with a physical SIM from this country:

ChatGPT Not supported
Claude Not supported
WhatsApp Works
Telegram Works
LINE Works
WeChat Works
X Works
TikTok Works
Gemini Not supported

Applies to every platform: VoIP / virtual numbers and heavily-reused number pools get rejected. Physical SIM only.

Checked 2026-09-12. Platform region policies and number-range allocations change — always confirm against each platform’s official supported-regions list and the carrier’s notices.
4 sources
help.openai.com/articles/7947663www.anthropic.com/supported-countriessupport.google.com/gemini?p=gemini_web_availabilitywww.mappr.co/tiktok-bans-by-country

How to read a number

+5351234567

+53Country code
Cuba.
5Prefix
The national numbering plan Cuba's Ministry of Communications notified to the ITU in January 2024: numbers are always 8 digits; those starting with 5 (a one-digit code) and with 63 or 64 are mobile, 62 is fixed wireless, 7 is Havana landlines and the other two-digit codes are provincial landlines. 5 is registered to Cubacel.
1234567Remaining 7 digits
The subscriber number.
This section checked 2026-10-31.
1 sources
www.itu.int/dms_pub/itu-t/oth/02/02/T02020000330003MSWE.docx

Number ranges & quality

RangeTypeNotes
Starts with 5, 63 or 64, 8 digits Mobile carrier The national numbering plan Cuba's Ministry of Communications notified to the ITU in January 2024: numbers are always 8 digits; those starting with 5 (a one-digit code) and with 63 or 64 are mobile, 62 is fixed wireless, 7 is Havana landlines and the other two-digit codes are provincial landlines.
Intl SMSStable
Virtual-number riskLow
ID requiredID is required; prepaid cards generally need real-name registration.

Because of US sanctions, ChatGPT and Claude do not list Cuba as supported; WhatsApp and Telegram work normally.

Carriers & prefixes

Mobile prefixes by carrier.

Number portability status unverified.

Porting rules in full

The Ministry of Communications' numbering plan says nothing about portability and we found no official statement, so this is marked unverified.

  • Cubacel Mobile carrier

    5, 63, 64

    The numbering plan only says these ranges are “mobile telephony”, without naming an operator; this is the only mobile operator listed on this site.

This section checked 2026-10-20.
1 sources
www.itu.int/dms_pub/itu-t/oth/02/02/T02020000330003MSWE.docx

Community tips

No community tips yet. We refresh every 1–2 months — contributions welcome.

Have experience to share? Submit →

Other countries

Elsewhere in North America