The San Marino country code is +378 — reaching the world's oldest surviving republic, ~34,000 Sammarinese enclaved entirely within Italy, served by TIM San Marino + San Marino Telecom. A tiny economy built on tourism, finance + world-famous postage stamps — and San Marino bank logins expect a +378 mobile.
San Marino has its own ITU country code +378 (zone 3), but because it is enclaved within Italy it can also be reached through the Italian network using +39 0549. There are no area codes — every number is dialed in full.
San Marino has its own country code <b>+378</b>, in ITU zone 3 alongside Italy +39, Vatican City +379 + most of southern Europe. Because San Marino is completely enclaved within Italy + shares Italy's network history, its numbers can <b>also</b> be reached through Italy as <b>+39 0549 NUMBER</b> — 0549 is San Marino's historic prefix inside the Italian plan. Both routes reach the same phone.
San Marino's telephone numbering is overseen by the Authority for ICT (the national ICT regulator). Two operators serve the republic: <b>TIM San Marino</b> (linked to Italy's TIM) + <b>San Marino Telecom</b>. The tiny network is tightly integrated with Italy's, which is why the +39 0549 route works alongside the native +378 code.
San Marino has <b>no internal area codes</b>. Every Sammarinese number is dialed in full with no trunk prefix. Internationally you dial <b>+378</b> + the number, or <b>+39 0549</b> + the number via Italy. There is no leading 0 to drop. Mobiles commonly begin with <b>6</b> (e.g. 66…), landlines historically with 0549.
San Marino is the world's oldest republic. Traditionally founded in 301 AD by Saint Marinus, it is the oldest surviving sovereign state + republic, and it has the world's oldest written constitution still in effect (the Statutes of 1600).
Completely enclaved within Italy, its Monte Titano + historic centre — crowned by the three medieval towers Guaita, Cesta + Montale — are a UNESCO World Heritage Site. The economy runs on tourism, finance + famous postage stamps (philately), and San Marino banks verify logins with +378 mobile OTPs.
A San Marino phone number in international format is written as +378 NUMBER — for example +378 0549 123456 for a landline or +378 66 12 34 56 for a mobile. Because San Marino is enclaved within Italy, the very same phone can also be reached as +39 0549 123456 through the Italian network.
San Marino uses a closed plan with no area codes + no trunk prefix, so there is no leading 0 to drop — you dial the full number either way. Mobiles commonly begin with 6 (66…); landlines carry the historic 0549 prefix that doubles as the Italy-route code.
From the towers of Monte Titano to the shops of Dogana, every Sammarinese number lives behind a +378 — also reachable as +39 0549 via Italy. No area codes; pick a number that fits your customers anywhere in the republic.
Every country uses a different exit code before +378. From any mobile, + replaces the exit code — so +378 0549 123456 works worldwide. You can also reach the same phone via Italy as +39 0549 123456. There is no area-code 0 to drop.
011011 378 NUMBER+378 66 XX XX XX011011 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX00110011 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER (or +39 0549)+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX010010 378 NUMBER+378 66 XX XX XX001001 378 NUMBER+378 66 XX XX XX001001 378 NUMBER+378 66 XX XX XX0000 378 NUMBER+378 66 XX XX XX8 108 10 378 NUMBER+378 66 XX XX XX00 2100 21 378 NUMBER+378 66 XX XX XXTip: San Marino has no area codes — dial the full number after +378. The same phone is also reachable through Italy as +39 0549 + the number. Mobiles commonly start with 6 (66…); landlines carry the historic 0549 prefix.
+378 reaches the world's oldest republic — a tourism, finance + philately micro-economy enclaved in Italy. San Marino banks + services verify with +378 mobile OTPs, and the same number doubles as an Italian-market line via +39 0549.
San Marino banks + online services send one-time login codes to a registered +378 mobile. Without a San Marino number, completing Sammarinese bank logins + account verifications from abroad is difficult — a +378 line receives those OTPs natively.
San Marino's economy runs on tourism (millions visit Monte Titano + the three towers each year), finance + the world-famous San Marino postage stamps (philately). A +378 number is the local point of contact for shops, hotels, stamp + coin dealers + financial firms serving this micro-state.
Because San Marino is enclaved in Italy, your number is reachable two ways — natively as <b>+378 NUMBER</b> and through the Italian network as <b>+39 0549 NUMBER</b>. Customers can use whichever route they know, and both ring the same phone.
San Marino sits inside Italy + shares its language, currency (€) + much of its commercial life. A +378 line — paired with the +39 0549 Italy route — plugs straight into the surrounding Italian market around Rimini + the Emilia-Romagna / Marche border.
San Marino runs on CET (UTC+1) winter, CEST (UTC+2) summer — the same clock as Italy, Germany, France + most of the EU. Business hours align cleanly across mainland Europe with no time-zone friction.
Traditionally founded in 301 AD with the world's oldest constitution still in effect (1600), San Marino carries a uniquely prestigious heritage brand. A +378 number signals a genuine local presence in the world's oldest surviving sovereign republic.
Grab a Sammarinese number — reachable as +378 or via Italy as +39 0549 — and start calling, texting + receiving San Marino bank + service OTPs from real customers across the republic.
Same six features come standard on every CallMama San Marino number — no upsell tiers, no per-feature charges.
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Six-digit confirmation drops into the app. No documents to upload, no waiting room, no callbacks.
Your San Marino line is live. Start dialing, texting, and being reached — exactly the way a local would.
Name, country code, ISO 3166 alpha-2 & alpha-3, exit code, and ITU zone. Filter by continent or search by name or code.
| Country | Code | ISO-2 | ISO-3 | Exit | Zone |
|---|---|---|---|---|---|
| Afghanistan | +93 | AF | AFG | 00 | 9 |
| Albania | +355 | AL | ALB | 00 | 3 |
| Algeria | +213 | DZ | DZA | 00 | 2 |
| American Samoa | +1 | AS | ASM | 011 | 1 |
| Andorra | +376 | AD | AND | 00 | 3 |
| Angola | +244 | AO | AGO | 00 | 2 |
| Anguilla | +1 | AI | AIA | 011 | 1 |
| Antarctica | +672 | AQ | ATA | 00 | 6 |
| Antigua and Barbuda | +1 | AG | ATG | 011 | 1 |
| Argentina | +54 | AR | ARG | 00 | 5 |
| Armenia | +374 | AM | ARM | 00 | 3 |
| Aruba | +297 | AW | ABW | 00 | 2 |
| Australia | +61 | AU | AUS | 0011 | 6 |
| Austria | +43 | AT | AUT | 00 | 4 |
| Azerbaijan | +994 | AZ | AZE | 00 | 9 |
| Bahamas | +1 | BS | BHS | 011 | 1 |
| Bahrain | +973 | BH | BHR | 00 | 9 |
| Bangladesh | +880 | BD | BGD | 00 | 8 |
| Barbados | +1 | BB | BRB | 011 | 1 |
| Belarus | +375 | BY | BLR | 810 | 3 |
011 378 0549 123456 for a landline, or 011 378 66 12 34 56 for a mobile. Alternatively use the Italy route: 011 39 0549 123456. On any mobile, replace 011 with +.00 378 0549 123456. Or use the Italy route 00 39 0549 123456, or simply +378 0549 123456 from any UK mobile.0549 123456 — or internationally as 00 378 0549 123456. The 0549 route works because San Marino shares Italy\'s network; it is the everyday way Italians reach Sammarinese numbers.+378 NUMBER — for example +378 0549 123456 for a landline or +378 66 12 34 56 for a mobile. The same phone can also be written +39 0549 123456 via Italy. There is no area-code 0 to add or drop.+378 0549 123456 or +39 0549 123456.+378 800… or via the Italian network.One tap to install. One more to call. It really is that simple.