Monaco Phone Number Format

Phone numbers in Monaco have 8 or 9 digits for mobiles and 8 for landlines after the country code +377. Inside Monaco a number is written with a leading 0, which makes 9 or 10 digits: 06 XX XX XX XX. Drop that 0 when you call from abroad or save the number in international format: +377 6 XX XX XX XX.

Country code	+377
Digits after +377	8 or 9 digits for mobiles and 8 for landlines
Trunk prefix (domestic calls)	0, dropped after +377
Mobile numbers start with	03, 044–046, 06 or 07
Exit code (to call abroad from Monaco)	00
Dial from the US	011 377 6 XX XX XX XX

X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.

Checking a number from Monaco? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.

Major area codes in Monaco:

How many digits does a phone number in Monaco have?

Phone numbers in Monaco have 8 or 9 digits for mobiles and 8 for landlines after the country code +377. Written for domestic calls with the leading 0, a mobile number has 9 or 10 digits.

What do mobile numbers in Monaco start with?

Mobile numbers in Monaco start with 03, 044–046, 06 or 07 when written for domestic calls. In international format the leading 0 is dropped: +377 6 XX XX XX XX.

How do I write a phone number from Monaco in international format?

Start with +377, then the national number without the leading 0. For example, a mobile number written 06 XX XX XX XX at home becomes +377 6 XX XX XX XX. From a US landline, dial 011 377 6 XX XX XX XX.

What is the toll-free prefix in Monaco?

Toll-free numbers in Monaco start with 80 or 90, for example 90 XX XX XX. Many toll-free numbers can't be reached from abroad.

How do I call the US from Monaco?

Dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX. From a mobile phone you can use + instead of 00: +1 XXX XXX XXXX.