San Marino country code
+378 is the country code of San Marino. From the US, dial 011 378 66 66 12 12; from a mobile phone, dial +378 66 66 12 12.
See mobile and landline prices
How to dial San Marino
Dial the exit code of the country you are calling from, then 378 without the plus sign, then the local number. Exit codes from ten large calling countries:
The example is a mobile number in San Marino, written locally as 66 66 12 12. There's no leading digit to leave out: dial the full local number after the country code.
Time in San Marino and the best time to call
San Marino is on UTC+1. Compared with New York its clock is +6 h, with London +1 h and with Dubai -3 h (today's offsets, daylight saving included).
San Marino changes its clocks for daylight saving, so its offset moves between UTC+1 and UTC+2 during the year.
Business hours in San Marino run 09:00–18:00 local time on working days. On other clocks that is:
The weekend in San Marino is Saturday and Sunday.
How numbers in San Marino are built
A number in San Marino is the country code +378 followed by a national number of 8 or 10 digits. The trunk prefix, where there is one, is dropped after the code.
Written locally as 66 66 12 12, an example mobile number in San Marino is dialed as +378 66 66 12 12 from abroad.
To call out of San Marino, dial 00, then the other country's code and number. On a mobile phone you can type + instead of 00.
Call San Marino with QuikRing
Right from your browser, no app or SIM card. Charged per started minute, with no connection fee.
Prices checked October 30, 2026.
A call or message from +378 you don't recognize
The country code shows which country's numbering plan a number is registered in. It doesn't show who is calling, and caller IDs can be spoofed, so a +378 number isn't proof that the person is in San Marino.
- Don't call back an unfamiliar international number, especially after a single ring. A missed call that tempts you to return it is a known callback trap, and a call to a premium-rate number can cost far more than a normal one.
- Never share verification codes, passwords or card details with someone who contacts you unprompted, whichever country the number appears to be from.
- If calls or messages keep coming, block the number and report it through your mobile carrier.
- Most calls from San Marino are ordinary calls from family, friends, colleagues and businesses. If you are expecting one, save the number once the person has confirmed it.
Frequently asked questions
What is the country code for San Marino?
The country code for San Marino is +378. From abroad, dial your exit code (00 from most countries, 011 from the US and Canada), then +378 without the plus sign, then the local number. Written locally as 66 66 12 12, an example mobile number in San Marino is dialed as +378 66 66 12 12 from abroad.
What's the exit code to dial San Marino from a mobile?
On a mobile phone you can skip exit codes altogether: type +378 and then the local number. From a landline, dial 011 from the US or Canada, 00 from the UK and most of Europe, or your own country's exit code first.
Do I need to drop the leading 0 when dialing San Marino?
No. Numbers in San Marino have no leading digit to drop: dial +378, then the full local number.
What time is it in San Marino, and when is a good time to call?
San Marino is on UTC+1. Business hours there (09:00–18:00) are 08:00–17:00 UTC, 03:00–12:00 in New York and 08:00–17:00 in London.
How many digits is a phone number in San Marino?
A number in San Marino has 8 or 10 digits after the country code +378, not counting a leading trunk digit.
How much does it cost to call San Marino?
With QuikRing a call to San Marino costs $0.90/min to a mobile and $0.57/min to a landline, charged per started minute. You call from your browser, so there is no SIM card, roaming plan or app to set up.
Who is calling me from +378?
The code shows which country's numbering plan a number belongs to, not who is calling, and caller IDs can be spoofed. Don't call back an unknown number, block it if it keeps calling, and report it through your mobile carrier.