Reviewed country-pair guide

How to call Italy from Germany

Exact mobile, landline, international-access and leading-zero rules using safe placeholder numbers.

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Dialing sequence, step by step

  1. 1

    Start with + on a mobile, or 00 when the Germany network requires an all-digit access prefix.

  2. 2

    Add 39, the country calling code for Italy.

  3. 3

    Add the destination national significant number. Retain the leading 0 on geographic numbers after +39. It is part of the Italian national significant number, not a removable trunk prefix.

The German origin prefix is 00, but the Italian destination rule still applies: retain the leading 0 on an Italian geographic number after +39.

Mobile and landline examples

X means a subscriber digit placeholder, so these patterns explain the transformation without publishing a private callable number. Save the + format; use the access-prefix format only for a call that starts in Germany.

Number typeDomestic in ItalySave on mobileDial from Germany
Mobile3XX XXX XXXX+39 3XX XXX XXXX00 39 3XX XXX XXXX
Landline06 XXXXXXXX+39 06 XXXXXXXX00 39 06 XXXXXXXX

How the international format is built

Portable contact format

+ 39 + national significant number

The + represents international access. It is display notation, not one of the E.164 digits.

Digits-only call from Germany

00 + 39 + national significant number

The first part routes out of the origin network and must not be stored as part of the destination.

E.164 limits the full international number to 15 digits and excludes international and national prefixes. See the E.164 and international-format guide for the reusable structure and regional exceptions.

Common mistakes for this route

  • Removing the 0 from an Italian geographic number by applying another country's trunk-prefix rule.
  • Adding Germany's 00 prefix before a contact that already starts with +39.

Country code references

Standards and country numbering-plan sources

  1. ITU-T E.164: The international public telecommunication numbering planInternational Telecommunication Union. Verified 2026-07-19.
  2. ITU-T E.123: Notation for national and international telephone numbersInternational Telecommunication Union. Verified 2026-07-19.
  3. National numbering plan: GermanyInternational Telecommunication Union. Verified 2026-07-19.
  4. Piano di numerazioneAGCOM. Verified 2026-07-19.
  5. National numbering plan: ItalyInternational Telecommunication Union. Verified 2026-07-19.

See our editorial and sourcing methodology.