Monaco +377
To call Monaco from abroad, dial your exit code (or +), then 377, then the local number without its leading 0. In full: +377 6 12 34 56 78.
The country calling code for Monaco is +377. A number starting +377 or 00377 is a call to or from Monaco. From abroad: +377 6 12 34 56 78.
To call Monaco from abroad, dial your exit code (or +), then 377, then the local number without its leading 0. The +377 code identifies the country; the following digits identify the line (landline or mobile).
How to call Monaco from abroad
011 377 6 12 34 56 7800 377 6 12 34 56 780011 377 6 12 34 56 78+377 6 12 34 56 786 12 34 56 78 is a real-format Monaco mobile number (example from the ITU-T numbering plan): replace it with the number you were given, without its leading 0.
Monaco area codes
In Monaco, landlines usually include an area code after +377 (without its leading 0). Mobiles have no area code.
Number format
099 12 34 56from abroad+377 99 12 34 5606 12 34 56 78from abroad+377 6 12 34 56 78Landline numbers in Monaco have 8 digits after the country code; mobile numbers have 8 or 9 digits and start with 4. The national prefix 0 is only dialled inside the country — drop it after +377.
Calling abroad from Monaco
To call another country from Monaco, dial the exit code 00 (or + on a mobile), then the country code, then the number. From Monaco to the United States, for example: 00 1 201 555 0123.
A Monaco number in international format is written +377 …. The + stands for the exit prefix (00 in much of the world, 011 in North America). Switching to international format, drop the leading 0.
Cheapest ways to call Monaco
With internet on both ends, apps like WhatsApp, Signal or FaceTime call Monaco for free. To reach a number without an app, VoIP services are usually cheaper than your operator’s international rate.
Frequently asked questions
What country has the code +377?
Monaco has the country calling code +377.
How do I call Monaco from the United States?
Dial 011, then 377, then the local number without its leading 0 — for example 011 6 12 34 56 78.
What does +377 mean?
It is the international dialing code for Monaco. The + stands for your exit code (00 in much of the world, 011 in North America).
Is +377 mobile or landline?
The +377 code identifies the country, not the line type; Monaco landlines and mobiles share it.
A country code covers a whole nation; the full number depends on the city and operator.
Mobile networks in Monaco
One mobile network operator runs its own network in Monaco. The largest is Monaco Telecom, with about 0.02 million subscribers. Pick the one with the best coverage where you will spend most of your time.
Owned by NJJ 55%, Société Nationale de Financement 45%
- 4G/5G frequency bands used in Monaco: 5G 3500, LTE 1800, LTE 2600, LTE 800. Most recent smartphones cover them; older or regional models may miss some.
Operators, subscriber counts, network codes and switch-off dates: Wikipedia (lists of mobile network operators, mobile network codes, 2G/3G phase-out, mobile number portability), licensed CC BY-SA 4.0. Figures come from each operator or regulator at the date shown.
Staying connected in Monaco
With 107 mobile subscriptions per 100 people, almost everyone in Monaco has a mobile — a WhatsApp, Signal or FaceTime call is usually the easiest way in. Internet use is high (99 %), so app-to-app calls over Wi-Fi are a safe bet.
Source: World Bank / ITU World Telecommunication indicators (IT.CEL.SETS.P2, IT.NET.USER.ZS, IT.MLT.MAIN.P2), latest available year.
Free and premium numbers in Monaco
+377 90 12 34 56Free from inside Monaco. From abroad these numbers are often unreachable or charged at the international rate.
Number ranges: ITU-T national numbering plan for Monaco via Google libphonenumber.
France +33