No country has the country code of 080. Country codes never begin with zero, and +80 is an incomplete code.
080 is a domestic area code in many 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.)
0800 number is a non-geographic number and a toll free number prefix in many countries.
There is no country code 080.
Leichtenstein is telephone country code +423.
where is telephone country code 1816
That is not a country code.
There is no 909 country code.
There is no telephone country code +897, nor +89, nor any other country code beginning with +89. There are no valid telephone numbers beginning with +89.
The telephone country code for Italy is +39. The area code for Bari is 080, or +39 080 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.
Gibraltar is country code +350.
Moldova is country code +373.
Slovenia is country code +386.
Togo is country code +228.
Liberia is country code +231.