---
title: "Monaco country code +377"
url: "https://lookvalid.com/country-code/monaco.md"
canonical_url: "https://lookvalid.com/country-code/monaco"
last_updated: "2026-10-19"
type: "reference"
summary: "Monaco uses country code +377. A number looks like +377 6 12 34 56 78. How to dial it from the US and other countries, number lengths and a live validator."
related: ["https://lookvalid.com/country-code.md"]
---

# Monaco country code +377

Monaco uses country code +377. A number looks like +377 6 12 34 56 78. How to dial it from the US and other countries, number lengths and a live validator.

Monaco uses country code +377. A number looks like +377 6 12 34 56 78.

## How to dial

| From | Dial |

| --- | --- |

| Any mobile phone | +377 6 12 34 56 78 |

| United States | 011 377 6 12 34 56 78 |

| Canada | 011 377 6 12 34 56 78 |

| United Kingdom | 00 377 6 12 34 56 78 |

| Australia | 0011 377 6 12 34 56 78 |

| Germany | 00 377 6 12 34 56 78 |

| France | 00 377 6 12 34 56 78 |

| India | 00 377 6 12 34 56 78 |

| Japan | 010 377 6 12 34 56 78 |

| Mexico | 00 377 6 12 34 56 78 |

| South Africa | 00 377 6 12 34 56 78 |

## Number structure

| Line | Digits |

| --- | --- |

| Mobile | 8 or 9 digits |

| Landline | 8 digits |

| Toll free | 8 digits |

Inside Monaco the national number is dialled with a leading 0, which is dropped after +377.

## First issuers

The first issuer of the range; numbers port between carriers, so the current carrier can differ. Source: libphonenumber carrier data, 2026-10-07.

| Starts with | First issued to |
| --- | --- |
| +377 3 | Monaco Telecom |
| +377 4 | Monaco Telecom |
| +377 6 | Monaco Telecom |
| +377 7 | Monaco Telecom |

Showing 4 of 4 rows. The page lists 4.

## Questions

**What is the country code for Monaco?**

The country code for Monaco is +377. Written in full, a number looks like +377 6 12 34 56 78.

**How do I call Monaco from the United States?**

Dial 011, then 377 6 12 34 56 78. On a mobile phone you can dial +377 6 12 34 56 78 instead.

**Do I dial the 0 at the start of a Monaco number from abroad?**

No. The 0 is the trunk prefix used for calls inside Monaco (06 12 34 56 78). From abroad it is dropped after +377 (+377 6 12 34 56 78).

**How many digits is a Monaco phone number?**

Mobile numbers have 8 or 9 digits after the country code. Landline numbers have 8 digits.

**How do I call another country from Monaco?**

Dial 00, then the country code and the number. On a mobile phone, + replaces 00.

Source: libphonenumber-js 1.13.15, released 2026-10-08, read 2026-10-19; tables from libphonenumber resource files, read 2026-10-19. All country codes are on the [country code index](https://lookvalid.com/country-code.md).

## Related

- [Country calling codes and how to dial them](https://lookvalid.com/country-code.md)