Italy Phone Number Format & Country Code +39
Italian mobile numbers are 10 digits starting with 3. Unlike most countries, Italy does not use a trunk prefix — the full number including the leading 3 is dialed both locally and internationally. Landline numbers include the area code (starting with 0) which must always be dialed. To dial a Italy number internationally, replace the local trunk prefix with +39. For example, 312 345 6789 becomes +39 312 345 6789. NumSwift converts between these formats automatically, validating each number against Italy's numbering plan.
Last updated: 2026-03-18
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How to Format Italy Phone Numbers Correctly
- Identify whether the number is in local format (e.g., 312 345 6789) or already includes the +39 country code
- Paste the number into NumSwift and select Italy as the country
- NumSwift converts it to the standard international format: +39 312 345 6789
- Use the formatted number for international calls, WhatsApp, SMS, or CRM import
Why Understanding Italy's Number Format Matters
- Avoid failed calls by using the correct +39 prefix instead of local-only formats
- Italy's 9-10-digit structure means numbers that are too short or too long are invalid — NumSwift catches these errors
- Convert freely between local (312 345 6789) and international (+39 312 345 6789) notation
- Works with all Italy carriers including TIM, Vodafone, WindTre, Iliad
Frequently Asked Questions
▶What is the country code for Italy?
Italy's country code is +39. When dialing a Italy number from abroad, you replace the local trunk prefix with +39. For example, the local number 312 345 6789 becomes +39 312 345 6789 in international format.
▶How many digits are in a Italy phone number?
Italy phone numbers are 9-10 digits after the country code. Italian mobile numbers are 10 digits starting with 3. Unlike most countries, Italy does not use a trunk prefix — the full number including the leading 3 is dialed both locally and internationally. Landline numbers include the area code (starting with 0) which must always be dialed. NumSwift validates the digit count automatically, so incorrectly truncated or padded numbers are flagged as invalid.
▶What is the difference between mobile and landline formats in Italy?
In Italy, mobile numbers start with 3. Landline numbers use different prefixes and may have a different digit distribution between the area code and subscriber number. NumSwift distinguishes between the two types and formats each one correctly.
▶How do I dial a Italy number from another country?
Replace the local trunk prefix with +39 and dial the remaining digits. For example, 312 345 6789 becomes +39 312 345 6789. NumSwift performs this conversion automatically when you paste a Italy number and select the correct country. The formatted output is ready for calling, WhatsApp, or saving to your contacts.