San Marino
Country Code & Virtual Numbers
San Marino's +378 code covers one of the world's oldest republics, a small enclave entirely surrounded by Italy. Capital: San Marino City · Business hours: 3:00 AM–11:00 AM EST.
What is the +378 country code?
San Marino's international dialing code is assigned by the ITU (International Telecommunication Union) and used for every call placed from outside the country.
Network & carriers
San Marino's telecom market operates through close integration with Italian networks, alongside the state-run Telecom Italia San Marino.
Numbering format
San Marino numbers are typically dialed similarly to neighboring Italian numbers, given the country's small enclave location within Italy.
Calling culture
Business culture in San Marino closely mirrors that of neighboring Italy — relationship-building and personal connection matter alongside professionalism.
San Marino, one of the world's oldest republics, is entirely surrounded by Italy, which shapes much of its telecom infrastructure and business culture.
A quick read on San Marino numbers.
San Marino numbers are closely integrated with neighboring Italian numbering conventions, given the country's enclave location. Rozper stores and dials contacts in full E.164 format automatically, so you never have to think about the formatting.
Want to call San Marino from abroad? Dial your local exit code, then 378, then the local number.
Best time to call San Marino from the US
San Marino is on UTC+1 · Business hours = 3:00 AM–11:00 AM EST · Mon–Fri
Why get a San Marino virtual number?
A +378 virtual number gives your business instant local presence in San Marino — without the overhead.
Local caller ID in San Marino
When you call from your virtual San Marino number, contacts see a local +378 number — dramatically improving answer rates.
No office needed
Establish a local presence in San Marino without renting space, hiring locally, or installing any hardware.
Instant credibility
A local +378 number signals genuine presence in this small but distinct enclave nation.
Routes to any device
Calls to your San Marino number ring your team on mobile, desktop, or desk phone — wherever they work.
Everything to call San Marino
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San Marino questions answered.
Answers about San Marino's telecom market, Italian-influenced business culture, and getting a local +378 virtual number.
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