What is dialling code of Bologna?

Answer 1

The telephone country code for Italy is +39. The area code for Bologna is 051, or +39 051 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.

Answer 2

Within Italy, 051; from outside of Italy, +39 051. (Note: for landlines in Italy, you do not drop the leading zero from the domestic number when calling internationally.)