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Monaco country code · +377

Monaco (+377) calling code decoded.

Monaco's private wealth, yachting and Formula 1 sectors demand reliable international voice. Ringflow gives you a local +377 DID — active on day one.

Local +377 numbersHD voiceInstant setup
Calling
LIVE
Monaco
MC · MCO · Zone 3
+377
Live route
Monaco
Time
--:--
Alpha-2
MC
Alpha-3
MCO
HD voice signal98%
Ringflow direct routeVerified
Monaco calling guide

Everything about calling Monaco.

Monaco uses an eight-digit numbering plan under +377. Private banking, luxury real estate, superyacht services and the annual F1 Grand Prix drive steady high-value international call demand.

Monaco country information

Monaco
Europe
+377
Capital
Monaco
Region
Europe
Time zone
Europe/Monaco
Numbering zone
Zone 3
Code length
3 digits
ISO 3166 codes
MC · MCO
How to dial Monaco

Three ways to call Monaco right now.

Dial +377 then the eight-digit local number. Ringflow routes via Southern European infrastructure for consistent quality to Monte-Carlo and La Condamine.

01Classic

Direct calls using landlines & mobile phones

Dial Monaco directly from any landline or mobile by entering your international exit code, then the country code +377, and finally the local number.

02Pre-paid

International calling cards for Monaco

Pre-paid international calling cards remain a convenient, low-cost way to reach Monaco. Each card gives you a PIN and an access number to place global calls.

03Modern

VoIP services for contacting Monaco

VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Monaco over the internet, usually at far lower rates than traditional carriers.

Monaco overview

Monaco at a glance.

The world's second-smallest country with around 39,000 people, bordered by France on three sides and the Mediterranean on the fourth. The Principality hosts the highest millionaire and billionaire density globally.

Capital
Monaco
Region
Europe
Time zone
Europe/Monaco
Numbering zone
Zone 3
Code length
3 digits
ISO 3166 codes
MC · MCO
Dialing Monaco

How to call Monaco.

Dial +377 then the eight-digit local number. No area code needed — the full number is eight digits, complete as dialled.

Number anatomy

Exit prefix++Country code377+Area / mobileXX+Subscriber numberXXX XXX
Final dialled number
+377 XX XXX XXX
Valid E.164
Format follows ITU-T Recommendation E.164 — the international public telecommunication numbering plan.
01Step 1 of 4

Start with the exit prefix

Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.

02Step 2 of 4

Add the Monaco code

Dial +377. This identifies Monaco on the global telephone network.

03Step 3 of 4

Enter the area or mobile prefix

Type the first part of the local number. Drop the leading 0 if there is one.

04Step 4 of 4

Finish with the subscriber number

The remaining digits route the call to the specific line in Monaco or elsewhere.

Need an inbound Monaco number?
Ringflow provisions +377 DIDs and termination through direct carrier interconnects — live in minutes, no contracts.
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FAQ

Calling Monaco, answered.

What private banks and superyacht brokers ask before dialling Monaco on +377.

Monaco's country calling code is +377. Always dial it before the national number when calling from outside Monaco.
Dial your international access prefix (+ on mobile, or 00 / 011 from a landline), then 377, then the Monaco number (drop the leading 0 if it has one).
Monaco uses ISO 3166-1 alpha-2 code MC and alpha-3 code MCO.
Monaco is part of the Europe region.
Ringflow provisions inbound DIDs and outbound termination across 120+ countries through 500+ direct carrier interconnects. Contact our wholesale team to confirm live coverage and rates for Monaco.

Connect to Monaco on carrier-grade European routes.

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