39 Is Code of Which Country? Complete Guide to Country Code +39

The country code +39 belongs to Italy. If you received a phone call, text message, or verification code starting with +39, the communication originated from Italy or was routed through an Italian telecommunications carrier. This code covers the Italian mainland, Sicily, Sardinia, and Vatican City, which is an independent enclave completely surrounded by Rome.

What it means / how it works

International country codes are regulated by the International Telecommunication Union (ITU) under the E.164 standard. Italy was assigned the two-digit country code 39. Unlike many other nations where country codes are followed by fixed-length area codes and subscriber numbers, Italy underwent a major numbering plan restructuring in the late 1990s.

Before this reform, Italian numbers had separate, distinct area codes that were often dialed with trunk prefixes like 0. During the reform, known as "chiudiamo Roma" and subsequent updates, the national zero was integrated directly into the geographic prefix. This means that whether you are calling a landline in Rome, Milan, or Florence from another country, you must include the initial zero of the city code after the +39 prefix.

For example, a landline number in Rome traditionally associated with area code 06 must be dialed as +39 06 [subscriber number] from abroad. If you omit the zero, the call will fail or connect to the wrong destination. Mobile numbers in Italy work similarly, typically starting with prefixes like 320, 330, 340, or 380 following the +39 country code.

Practical scenarios

Encountering the +39 prefix is common in several everyday situations, ranging from legitimate business interactions to unexpected digital notifications. Understanding why you see this code helps you respond appropriately.

• Receiving an OTP or verification code: You might see a +39 SMS if you are signing up for an international app, website, or online service that utilizes Italian telecom routes or if you are registering for a service based in Italy.
• International business calls: Corporate offices, manufacturing plants, and fashion houses headquartered in Milan, Turin, or Rome often communicate with international clients using +39 numbers.
• Customer support inquiries: If you purchase travel tickets, hotel stays, or goods from European merchants with Italian operations, customer service callbacks may display a +39 prefix.
• Missed calls from unknown numbers: Seeing a missed call starting with +39 usually indicates an individual or automated system dialing from Italy, though unexpected missed international calls can sometimes be part of automated callback scams (wangiri scams).
• Booking travel and accommodations: When planning a trip to Venice, Florence, or the Amalfi Coast, local hotels, rental car agencies, and tour operators will list their contact numbers with the +39 country code.
• Shipping and logistics updates: International courier services delivering packages originating from Southern Europe may send SMS tracking updates or delivery alerts from Italian numbers.
• Digital account management: Platforms that require two-factor authentication (2FA) via short message service may occasionally route authentication messages through carrier gateways associated with +39.

Step-by-step

If you need to contact someone in Italy or verify how to format an Italian phone number, follow these steps to ensure your communication goes through correctly.

1. Identify the destination type: Determine whether you are dialing a landline (which includes the integrated city prefix starting with 0) or a mobile phone (which starts with a 3xx mobile prefix).
2. Dial the international exit code: If calling from a landline or mobile phone outside your country, start with your local exit code. For example, dial 00 in most European countries or 011 from the United States and Canada. If using a mobile phone, you can simply type the plus sign (+).
3. Enter the country code: Input 39 immediately after the plus sign or exit code.
4. Dial the full national number: Unlike countries where you drop the leading zero when dialing internationally, Italian geographic numbers require you to keep the initial zero of the area code. For instance, dial +39 02 XXXXXXX for Milan or +39 33X XXXXXXX for a mobile phone.
5. Verify the digit count: Italian phone numbers vary in total length depending on whether they are fixed or mobile, but standard numbers usually consist of 9 to 11 digits following the country code.

Safety/privacy/legal

Seeing an international country code on your phone requires a balanced approach to security. While +39 is a legitimate geographic prefix, fraudsters can spoof phone numbers to make calls or send texts appear as though they originate from Italy.

Never share sensitive personal information, banking details, or passwords over the phone with an unverified caller claiming to be from an Italian institution. If you receive an unexpected SMS verification code from a +39 number for an account you did not attempt to create or access, do not click any links contained in the message.

When interacting with online platforms that require phone verification, be mindful of where you enter your personal phone number. Public online inboxes or untrusted verification tools can expose your private number to data harvesting and spam lists. For users who need to manage online registrations without exposing personal contact details, utilizing a structured SMS verification solution like PVACodes provides a private alternative for receiving one-time passwords across various global regions.

Best alternatives

Managing international communications or handling account verifications often requires more than just dialing a standard phone number. Depending on your specific use case, several alternatives exist for handling voice calls, messaging, and digital authentication.

Traditional international roaming plans offered by local mobile operators allow you to use your home SIM card while traveling in Italy, though carrier fees can be high. Voice-over-IP (VoIP) applications like Skype, WhatsApp, or Zoom offer cost-effective ways to call Italian landlines and mobile numbers over an internet connection without dealing with direct international carrier charges.

For developers, businesses, and digital users who need to test application notifications, receive automated OTP messages, or manage multi-region accounts, specialized virtual number providers offer flexible solutions. Services such as PVACodes allow users to obtain temporary or rental numbers across multiple countries, ensuring that verification workflows remain secure and organized without requiring physical SIM cards for every location.

Frequently Asked Questions

Is +39 a mobile country code or landline?

The +39 prefix is a country code for all of Italy, covering both landlines and mobile phones. You can distinguish between them by looking at the digits immediately following +39. Mobile numbers in Italy typically start with the digit 3 (such as 320, 330, or 340), while landlines start with 0 followed by the city code.

How do I call an Italian phone number from the US?

To call Italy from the United States, dial 011 (the US exit code), then 39 (the country code for Italy), followed by the complete local Italian number including the initial zero for landlines. For example, dial 011 39 [local number].

Do Italian phone numbers require the leading zero when dialed internationally?

Yes. Unlike many other nations where you drop the leading zero of an area code when making an international call, Italy integrated its area codes into the national numbering plan. You must include the initial zero (such as 06 for Rome or 02 for Milan) when dialing from abroad.

Why did I receive an SMS verification code from a +39 number?

You may receive an SMS code from an Italian number if you recently registered for an international web service, requested a password reset, or used an app that routes authentication messages through European telecommunications partners.

Is it safe to answer a phone call starting with +39?

Answered calls from +39 are generally safe if you are expecting communication from Italy. However, if you do not know anyone in Italy and receive unexpected calls or missed rings, exercise caution and avoid returning international calls to unknown numbers to prevent unexpected carrier charges.

Which city uses the +39 country code?

The +39 prefix is not assigned to a single city; it represents the entire country of Italy. Individual cities within Italy use specific area codes following the +39 prefix, such as 06 for Rome, 02 for Milan, and 055 for Florence.

Can I send a WhatsApp message to a +39 number?

Yes. To message an Italian number on WhatsApp, save the contact in your phone's address book with the full international format starting with +39, followed by the mobile prefix and subscriber number.

What should I do if a +39 number is spamming me?

If you receive persistent spam calls or unwanted messages from a +39 number, use your smartphone's built-in blocking feature to block the specific number. You can also report suspicious numbers to your local telecommunication provider.

How many digits are in an Italian phone number after +39?

Italian phone numbers vary in length, but most standard geographic and mobile numbers consist of 9 to 11 digits after the +39 country code, inclusive of the initial zero for landlines.

Is Vatican City included in the +39 country code?

Yes. Vatican City relies on the Italian telecommunications numbering plan and uses the +39 country code, specifically utilizing the +39 06 area code shared with Rome for its landline network.

Conclusion

The +39 prefix identifies calls, text messages, and digital verification codes originating from Italy. Understanding how Italian phone number formatting works—including the retention of the initial zero for geographic numbers—ensures that your international communications connect correctly. Whether you are placing business calls, traveling, or managing online verification workflows, recognizing international country codes helps you navigate global telecommunications with confidence.