San Marino Calling Code: +378
Complete guide to calling San Marino — international dialing code, step-by-step instructions, and FAQ.
How to Call San Marino from Abroad
📞 Step-by-Step Dialing Guide
- Dial your country's exit code (e.g. 011 from US, 00 from most countries, + from mobile)
- Dial +378 — the country calling code for San Marino
- Dial the local phone number (area code + subscriber number)
About San Marino Calling Code
San Marino's international dialing code is +378. This code is assigned by the International Telecommunication Union (ITU) and must be dialed before the local phone number when calling San Marino from another country. San Marino is located in Europe.
Country calling codes (also known as ISD codes or dialing codes) are telephone numbering plan prefixes defined by ITU-T standards E.123 and E.164. Each country is assigned one or more unique prefixes to facilitate international direct dialing.
Frequently Asked Questions
What is the calling code for San Marino?
The international calling code for San Marino is +378.
How do I call San Marino from the United States?
Dial 011 (US exit code) + +378 + local phone number.
How do I call San Marino from the United Kingdom?
Dial 00 (UK exit code) + +378 + local phone number.
Can I use the + symbol instead of the exit code?
Yes! On mobile phones you can dial ++378 directly followed by the local number. The + symbol automatically replaces your country's exit code.
How do I call within San Marino?
If you're already in San Marino, simply dial the local number directly. You do not need to use the country code +378 for domestic calls.
Other Countries in Europe
Nearby countries and their calling codes: