San Marino Phone Numbers: Format, Area Code & Validation Guide - phone-number-standards -

Frequently Asked Questions

The country code for San Marino is +378. This code is required when dialing a San Marino number from another country. All San Marino numbers, regardless of type, are prefixed with +378.
Use the E.164 format, which is +378 followed by the 8-digit subscriber number. For example, a landline number would be formatted as +37805491234, and a mobile number as +37861234567. This international standard ensures compatibility with global systems.
Use the regular expression `^\+378 0549 \d{4}$` to validate San Marino landline numbers. This regex checks for the correct country code (+378), area code (0549), and four-digit subscriber number. Ensure the regex is appropriately escaped for your programming language.
The area code for all landlines in San Marino is 0549. This area code is used for domestic routing and is also reachable using the Italian country code +39 due to historical ties.
+378 is the internationally assigned country code for San Marino, designated by the International Telecommunication Union (ITU-T). This code uniquely identifies San Marino in the global telecommunications system and ensures interoperability with other countries.
San Marino mobile numbers are identifiable by the leading '6' after the country code. They follow the format +378 6XXX XXXX. This allows for easy distinction from landlines and premium rate services.
Premium rate services in San Marino are identified by the prefix '7' after the country code (+378). These numbers usually indicate specialized services or higher call charges. The full format is +378 7XXX XXXX.
Store San Marino phone numbers in a VARCHAR(15) field in your database, using the E.164 format (+378XXXXXXX). Include a separate field for the number type (landline, mobile, premium) and implement a check constraint to ensure only valid numbers are stored.
The Information and Communication Technology Authority (ICT Authority) regulates and supervises San Marino's telecommunications landscape. Established by Delegated Decree no. 146/2018, it ensures the ongoing development, security, and stability of the telecom system.
The Italian country code (+39) may work for San Marino landlines due to historical ties, but the official and recommended practice is always to use the San Marino country code (+378). Use +39 only when dealing with legacy systems that may require it.
San Marino's telecommunications network boasts comprehensive Fiber to the Home (FTTH) coverage and advanced 5G mobile network implementation. This infrastructure is remarkably advanced, positioning San Marino as a leader in technological adoption, often outpacing larger countries.
Remove all non-digit characters from the phone number and prepend +378 if not already present. For example, the javascript function `formatToE164('0549 1234')` will return '+37805491234'. This ensures your number strings adhere to the international standard.
For the most up-to-date information about regulations and future developments in San Marino telecommunications, consult the official ICT Authority website and their technical documentation. The Telecommunication Sector, contactable at tlc@pa.sm or +378 0549 882552, also handles technical and administrative aspects.
Key emergency numbers in San Marino include 112 (European emergency number), 113 (Police), and 118 (Medical emergencies). Ensure your applications comply with regulations regarding accessibility to these numbers.
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