What does a Monaco phone number look like?
- International format
+377 612345678- IDD format (caller ID)
00377 612345678- Mobile example
-
0612345678(local) →+377 612345678 - Landline example
-
099123456(local) →+377 99123456
Received a call or message from +377?
A call or text from +377 (or 00377) originates from Monaco.
If you don't know anyone in Monaco, be cautious. Common patterns with unfamiliar international numbers:
- One-ring scams (Wangiri): The caller rings once and hangs up, hoping you'll call back a premium-rate number. Don't return calls to numbers you don't recognize.
- SMS phishing: Messages claiming to be from banks, delivery services, or government agencies. Legitimate organizations won't contact you from a +377 number unless you have an account in Monaco.
- Spoofed numbers: The caller ID can be faked. A call showing +377 may not actually originate from Monaco.
If you do know someone in Monaco and want to call them back, see the dialing instructions below.
How to call Monaco from abroad
- International format (recommended)
-
+377 [local number]Example:
+377 6 12 34 56 78 - From a mobile phone
-
Press and hold 0 or tap + to get the plus sign, then dial
+377followed by the local number. - From a landline
-
Dial your country's international access code, then
377, then the local number.
| From | Dial |
|---|---|
| US/Canada | 011 377 [local number] |
| United Kingdom | 00 377 [local number] |
| Australia | 0011 377 [local number] |
| Your browser (DialHard) | +377 [local number] |
Do I need to drop the leading zero?
Yes. When calling Monaco from abroad, drop the leading 0 from the local number.
For example, if the local number is 0XX XXX XXXX, dial +377 XX XXX XXXX.
What time zone is Monaco?
Europe/Paris
Good time to call
06:02 PM local time · Weekend daytime
Good for personal calls.
How much does it cost to call Monaco?
International calls to Monaco vary dramatically by provider. Major US carriers charge $3.00/min or more, while VoIP services like DialHard start at $0.25/min.
| Provider | Rate/min | vs DialHard |
|---|---|---|
| AT&T | $3.00 | 92% more |
| Verizon | $2.99 | 92% more |
| T-Mobile | $3.00 | 92% more |
| DialHard | $0.25 | Save ~92% |
Carrier rates are based on published international calling rates without plan add-ons. Your actual rate may vary.
Current rates to Monaco
$0.25–$1.15/min
Rates vary by mobile vs landline. Billed per minute, rounded up.
Frequently asked questions
Where is the code +377 from?
+377 is the international dialing code for Monaco.
Is +377 a mobile or landline code?
+377 is the country code for all of Monaco — both mobile and landline numbers use this code. The digits after the country code may indicate the number type, but this varies by country.
Is a call from +377 a scam?
Not necessarily. +377 is the legitimate country code for Monaco. However, scammers can spoof any country code. If you don't recognize the number or weren't expecting a call from Monaco, don't call back — especially if they only rang once.
Why won't my call to Monaco connect?
Common issues:
- Wrong format: Make sure you're using +377 (not 00377 or just 377)
- Extra digits: Remove any trunk prefix (usually 0) from the start of the local number
- Missing digits: Ensure you have the complete local number after the country code
What does a Monaco phone number look like?
A Monaco number in international format starts with
+377 followed by the local number.
Example: +377 612345678
How do I save a Monaco number in my contacts?
Always save international numbers in E.164 format: +377 followed by the local number (without the leading 0 if applicable). This format works worldwide.
How do I block calls from +377?
On most smartphones, you can block individual numbers by opening your recent calls, tapping the number, and selecting "Block." To block all calls from a country code, check your carrier's international call blocking options or use a call-filtering app.