This is the telephone area code for Trieste and surrounding areas in the northeastern Friuli-Venezia Giulia region of Italy, near the Slovenian border.
How to Call Trieste from Overseas
- Dial your country's exit code (International Access Code)
- Dial 39 (Italy country code)
- Dial the full area code including the leading 0 (040)
- Dial the local phone number (typically 7-8 digits)
Example: Calling Trieste from Austria
00 39 040 1234 5678
Where:
00 = Austria exit code
39 = Italy country code
040 = Trieste area code (keep the leading 0)
1234 5678 = Local Trieste phone number
Quick Facts
Trieste Area Code Coverage
The 040 area code covers Trieste and nearby communes in northeastern Italy:
Trieste City Center
Piazza Unità d'Italia, San Giusto Castle, Borgo Teresiano, and the Old Town
Muggia
Historic coastal town south of Trieste, near the Slovenian border
San Dorligo della Valle
Eastern suburban commune with bilingual Italian-Slovene heritage
Duino-Aurisina
Western coastal area known for its cliffs and castles
Sgonico
Inland karst village northwest of Trieste
Metropolitan Trieste
Includes towns within the Province of Trieste using the 040 prefix
Major Italy Area Codes
Common Exit Codes for Calling Italy
When calling Trieste from these countries, use these exit codes:
United States
011
Australia
0011
European Union
00
Japan
010
China
00
Canada
011