San Marino country code (+378)
Complete country code guide for San Marino: dialing format, area codes, examples, and current calling rates. Browse our full country codes list to find other destinations.
Country code
Country code
+378
ISO code
SM
Dialing format
Landline format
+378 0549 991234
Mobile format
+378 66 123456
Drop the domestic trunk prefix (often 0) when calling internationally.
Full syntax: +378 + [area code or mobile prefix] + [6-8 digit local number]
Calling rates
Calls to San Marino start from $0.24/minute with transparent, pay-as-you-go pricing. Compare with our international calling rates for other countries.
View detailed rates for San MarinoArea codes
- 0549
San Marino (capital)
Example: +378 0549 991234
- 0549
Serravalle
Example: +378 0549 881234
- 0549
Borgo Maggiore
Example: +378 0549 661234
- 0549
Domagnano
Example: +378 0549 721234
Common mistakes
- Forgetting to dial your international exit code before +378.
- Adding an Italian-style trunk prefix 0 in front of San Marino numbers.
- Using the wrong number length for local landlines or mobiles.
- Assuming San Marino is included in Italy roaming bundles without checking.
Why use HelloAirDial for San Marino?
- Call San Marino directly from your browser, no SIM card or special phone needed.
- See transparent per-minute pricing before each call, avoid bill shock.
- Keep a stable caller ID where supported so contacts recognize your number.
- Enjoy reliable routing with quality optimized for international voice traffic.
Call San Marino now
Rates from $0.24/minute.
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Related country codes
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View all country codes →FAQs
Can I call San Marino from abroad?
Yes. HelloAirDial connects directly from your browser. Traditional carriers can be pricey or block unknown overseas numbers; using HelloAirDial helps with caller ID, clear routing, and predictable costs.
Does San Marino have area codes?
Yes. See the list above for key area codes and examples.
Do I need to use a trunk code when calling with HelloAirDial?
No. When dialing internationally, drop the domestic trunk prefix (often 0) and start with the country code.
Is HelloAirDial cheaper than telecom providers?
Typically yes. You pay per minute with transparent pricing and no hidden roaming or connection fees, so you avoid the surcharges many carriers add for international calls.