Turin (or Torino) is in Italy's telephone area code 011, which becomes +39 011 in international format. (Note that you do not drop the trunk prefix 0 from the Italian area code, as you do with most other countries.)
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The telephone country code for Italy is +39. The area code for Pescara is 085, or +39 085 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
Trieste is in Italian area code 040, which is +39 040 in international format. (Note that you do not drop the trunk prefix 0 from the domestic area code in international format, as you do with most other countries.) The local number is a further 7 digits. Within Italy, you must dial the full 10-digit national number.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The telephone area code for Itri, Italy, is 0771, which is +39 0771 in international format. (Note that you do not drop the 0 of the domestic area code in international format for Italy.)
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
There is no telephone area code 660 in Italy. Area code 06 (or +39 06 in international format) is Rome. Geographic area codes in Italy begin with 0. Unlike most countries, you do not drop the leading 0 from the domestic area code in international format.
The telephone country code for Italy is +39. The area code for Monza is 039, or +39 039 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Perugia is 075, or +39 075 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Como is 031, or +39 031 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Ancona is 071, or +39 071 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Cagliari is 070, or +39 070 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Savona is 019, or +39 019 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Taranto is 099, or +39 099 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Biella is 015, or +39 015 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Messina is 090, or +39 090 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Modena is 059, or +39 059 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.
The telephone country code for Italy is +39. The area code for Padova (Padua) is 049, or +39 049 in international format. Note: unlike most countries, you DO NOT drop the trunk prefix 0 from the Italian domestic area code when putting the number in international format.