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Cuba +53

International code · North America

Key facts

International code+53

International format+53 X XXX XXXX

Mobile prefixesX XXX XXXX

Mobile length8 digits

Domestic trunk0

Number ranges & quality

Range	Type	Notes
`X XXX XXXX`	Mobile carrier	Physical carrier ranges (see Mobile prefixes / length above). Always use a physical SIM — MVNO and data-only ranges are frequently rejected by platforms.

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.

First draft — not yet verified item by item

Number portability status unverified.

Cubacel Mobile carrier

Owner: ETECSA

This section checked 2026-09-13. Sources: en.wikipedia.org/wiki/List_of_mobile_network_operators_of_the_Americas

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 Unverified

Jump to another country

Calling Cuba from abroad

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

Generate the full number →

Dialing within Cuba

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

Elsewhere in North America

Community tips

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

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Common premise & disclaimer

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.

Sources：help.openai.com/articles/7947663 · www.anthropic.com/supported-countries · support.google.com/gemini?p=gemini_web_availability · www.mappr.co/tiktok-bans-by-country/

Traveling to Cuba? Get a SIM card

eSIM providers like Airalo and Holafly charge by the day and work the moment you land. Common picks below:

Affiliate links pending — sign-up under review.