Country calling code
+377 Monaco country code
Monaco’s international calling code is +377. To call a Monaco number from another country, dial your exit code, then 377, then the local number without the leading 0.
- Calling code
- +377
- ISO 3166 code
- MC · 492
- Exit code (calling out)
- 00
- Trunk prefix (domestic)
- 0
- Number length
- 8–9 digits
- Time zones
- Monaco
- Local time
- —
Number formats and examples are generated from libphonenumber-js numbering-plan metadata. They describe numbering rules, not a verified active subscriber or a phone’s current location. For an individual number, try the free format lookup.
How to call Monaco
| Calling from | Dial |
|---|---|
| A mobile phone, anywhere | +377 6 12 34 56 78 |
| United States & Canada | 011 377 6 12 34 56 78 |
| UK, Europe & most countries | 00 377 6 12 34 56 78 |
| Australia | 0011 377 6 12 34 56 78 |
| Inside Monaco | 06 12 34 56 78 |
Inside Monaco, numbers are written with the trunk prefix 0 (for example 06 12 34 56 78). Drop that 0 when you dial from abroad.
Monaco phone number format
A sample mobile number in Monaco is written +377 6 12 34 56 78 internationally, 06 12 34 56 78 locally, and +377612345678 in the E.164 format that apps and websites store. Numbers are 8–9 digits long after the country code.
Not sure where a number is from? Paste it into our free phone number lookup to see the country, line type and correct format.
Calling abroad from Monaco
To call another country from a Monaco landline, start with the exit code 00, then the destination country code. On a mobile phone, holding 0 to type + works everywhere and replaces the exit code.
Missed call from +377?
If you don’t know anyone in Monaco, be careful with short missed calls from international numbers. “One-ring” scams hope you call back a premium-rate line. Don’t return the call, don’t share codes sent by SMS, and block the number if it keeps calling. A genuine contact will usually leave a message or text.
Frequently asked questions
Which country uses the +377 code?
+377 is the international calling code of Monaco (MC). No other country uses it.
How do I call Monaco from the United States?
Dial 011 (the US exit code), then 377, then the local number without the leading 0. From a mobile phone you can simply type +377 6 12 34 56 78.
How many digits are in a Monaco phone number?
National numbers in Monaco are 8–9 digits long after the +377 country code. A typical mobile number looks like +377 6 12 34 56 78.
Can I find the location of a +377 number?
Not from the number alone. Enter the number in AI Family Locator and send a location request. Live GPS location appears only after the owner installs the app and approves sharing. A number lookup shows only numbering details, not a current location.