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San Marino · +378 · Europe

Connect instantly: your guide to San Marino(+378) country code.

Your complete guide to dialling San Marino from San Marino to anywhere in the world — verified +378 country code, Europe/San_Marino time zone, Europe region, ISO references, live local time and weather, plus a step-by-step walkthrough.

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Calling

🇸🇲

San Marino

+378

Live route

San Marino

Weather

HD voice signal

98%

Alpha-2

SM

Alpha-3

SMR

TKOS direct route
🇸🇲

San Marino

SM

2 Digit ISO

+378

Country Calling Code

SMR

3 Digit ISO

Capital

San Marino

Time zone

Europe/San_Marino

Weather · San Marino

Humidity

Wind

Loading map
🇸🇲

San Marino

+378

San Marino country information

Capital

San Marino

Region

Europe

Time zone

Europe/San_Marino

Coordinates

43.94°, 12.46°

Numbering zone

Zone 3

Code length

3 digits

Calling guide

Best time to call San Marino · Europe/San_Marino

View guide
Ways to dial

Various methods to call San Marino

Several routes connect you to San Marino (+378) landlines, calling cards and modern VoIP services. Pick the one that fits your call volume and budget.

01

Calling San Marino from a landline or mobile

Dial your exit code (00 from most countries, or 011 from North America), enter +378, then the local San Marino number — dropping any leading 0. San Marino's 3-digit country code puts it in ITU Zone 3 of the global E.164 numbering plan.

See dialing steps→Classic
02

International calling cards for San Marino

San Marino falls in ITU Zone 3 (Europe). Card rates to San Marino are generally moderate — compare landline vs mobile tariffs before activating. Factor in the Europe/San_Marino time zone when planning the call.

See dialing steps→Pre-paid
03

VoIP services for contacting San Marino

Apps like Skype, WhatsApp and Viber, and business VoIP from TKOS are the cheapest route to San Marino (+378) — Europe routes over European and Atlantic fibre links — latency is typically under 100 ms on broadband.

See VoIP pricing→Modern
Cost breakdown

Cost analysis for calling San Marino

The cost of calling San Marino varies depending on the method and service provider you choose. Compare landline, VoIP and calling-card routes side by side.

VoIP · overview

Cheapest route to San Marino — internet-based.

  • VoIP is the lowest-cost way to call San Marino (+378) — app-to-app calls over Wi-Fi are often completely free.
  • European and trans-Atlantic fibre keeps San Marino (Europe/San_Marino) latency below 100 ms on broadband — Wi-Fi is sufficient for most calls.
01

Pick a VoIP provider

Choose TKOS for business-grade calls to San Marino, or consumer apps like Skype, WhatsApp or Viber for casual chats.

02

Create and verify your account

Sign up with an email or phone number, then verify your identity if required.

03

Add credit (if calling regular phones)

App-to-app calls are usually free; calls to mobile/landline numbers need a small balance or a subscription plan.

04

Dial +378 + the local number

Enter +378 followed by the San Marino subscriber number (drop any leading 0).

05

Place the call from any device

VoIP works on phones, laptops, tablets and desk phones wherever you have internet.

06

Monitor call quality

If audio drops, try switching from cellular to Wi-Fi or move closer to your router.

Country profile

Connecting you to San Marino, one journey at a time.

Capital

San Marino

Population

33.7K

Area

61 km²

GDP (USD)

$1.90B

Currency

Euro (EUR €)

Languages

Italian

Emergency number

113 / 115 / 118

Internet TLD

.sm

Drive side

Right-hand traffic

Latitude / Longitude

43.94°N / 12.46°E

Time zone

Europe/San_Marino

ISO 3166 codes

SM · SMR

Dialing guide

How to call San Marino

A complete international number is built from four parts. Here's the anatomy and the dialling order.

Number anatomy

Exit prefix+
+
Country code378
+
Area / mobileXX
+
Subscriber numberXXX XXX
Final dialled number+378 XX XXX XXX
Valid E.164

Format follows ITU-T Recommendation E.164 the international public telecommunication numbering plan.

01Step 1 of 4

Start with the exit prefix

Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.

02Step 2 of 4

Add the San Marino code

Dial +378. This identifies San Marino on the global telephone network.

03Step 3 of 4

Enter the area or mobile prefix

Type the first part of the local number. Drop the leading 0 if there is one.

04Step 4 of 4

Finish with the subscriber number

The remaining digits route the call to the specific line in San Marino or elsewhere.

Need an inbound San Marino number?

TKOS provisions +378 DIDs and termination through direct carrier interconnects.

Talk to wholesale→See Pricing
Call quality

Tips for clear & uninterrupted calls

Whether you're reaching San Marino for business or family, three habits keep every conversation crystal clear and a clean route from TKOS handles the rest.

  • 01

    HD audio for San Marino calls

    European routes to San Marino support G.722 wideband audio on most carriers — a quality HD headset lets you hear the full difference on these low-latency links.

  • 02

    Connection quality to San Marino

    San Marino (Europe/San_Marino) routes stay under 100ms on broadband — Wi-Fi is fine for most calls, but switching to ethernet eliminates the last source of packet loss.

  • 03

    Best time to call San Marino

    Schedule San Marino calls during San Marino business hours — 09:00–17:00 Europe/San_Marino — your contact will be at their desk in a quiet space rather than taking the call on the move.

HD VOICE · CRYSTAL CLEARCALLINGCONNECTEDROUTE · TKOS DIRECTMOS 4.4 / 5.0
Why TKOS

Additional features of calling San Marino

Built on top of every San Marino (+378) route quality, price, and people you can reach.

Carrier-grade audio to San Marino

TKOS terminates San Marino calls via EU-peered carrier interconnects. Sub-80ms latency across Europe, G.722 wideband audio on every call.

Feature 01 / 03

EU-aligned San Marino rates

EU routing agreements compress San Marino termination costs — TKOS passes those savings to you directly. Transparent per-minute rates for San Marino (+378), no hidden fees.

Feature 02 / 03

Support aligned to San Marino hours

Your account manager covers Europe/San_Marino hours for San Marino. Phone, email, and live chat — always online for San Marino routes, day or night.

Feature 03 / 03

Provider report

TKOS

Recommended

Overall

A+

Score

9.6/ 10

Coverage

A+

Direct routes to San Marino

Reliability

A+

99.99% uptime SLA

Support

A

24/7 live agents

Pricing

A

Transparent per-minute

🇸🇲

Audit scope

San Marino +378

Verified
Decision guide

Choosing the right service for calling San Marino

When selecting an international calling service for San Marino, four factors separate the durable providers from the noise. Look for a proven track record on each.

Coverage

Verify direct EU peering to San Marino — not routing +378 traffic through non-Europe hubs.

Reliability

EU carriers publish uptime records — ask for 12 months of SLA compliance on San Marino routes before signing.

Customer support

Confirm coverage for Europe/San_Marino hours — a San Marino route issue at 09:00 needs a human response, not a next-day ticket.

Transparent pricing

EU routing compresses San Marino costs — any premium over +378 published carrier rates needs justification.

Number ranges

San Marinocity & national codes

Special-rate prefixes and the major city area codes inside San Marino (+378).

San Marino city codes1 entries

CityDial codes
San Marino+378-0, +378-6, +378-7, +378-8, +378-9
FAQ

Questions about calling San Marino, answered.

Everything a business or traveller needs to know before dialling San Marino (+378). Can't find an answer? Our team is one click away.

Q1.What is the country code for San Marino?
San Marino's international calling code is +378. Dial it immediately after your exit prefix and before the local subscriber number whenever calling from outside San Marino.
Q2.How do I call San Marino from abroad?
Dial your international access prefix (press + on mobile, or dial 00 / 011 from a landline), enter 378, then the local San Marino number — dropping any leading 0 from the area or mobile code.
Q3.What ITU zone is San Marino in?
San Marino (+378) is in ITU Zone 3. The zone is the first digit of the country code and groups Europe destinations together within the global E.164 numbering plan. Zone 3 covers Europe.
Q4.What is the cheapest way to call San Marino?
VoIP is the cheapest route — app-to-app calls over Wi-Fi to San Marino are often free. For calls to regular +378 numbers, business VoIP from TKOS offers per-minute rates far below traditional carrier landline charges.
Q5.What does +378 stand for?
+378 is the ITU-assigned international dialling prefix for San Marino. The leading 3 identifies it as a Zone 3 country in the global E.164 numbering plan, which covers Europe.
Global directory

List of Country Codes

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