The information provided below is incorrect. Area code 388 exists within country code 90.
There is no area code +1 388 in North America.
International country code +388 was assigned to the European Telephone Numbering Space, for the purpose of allowing companies to use a single contact number throughout Europe, but the ETNS has been discontinued and all existing +388 numbers have been taken out of service. Country code +388 is now officially designated as "unassigned."
North America (USA, Canada, etc.) has no area code +1 389.
International telephone country code +389 is the Republic of Macedonia, a part of the former Yugoslavia.
(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, and many other countries use different prefixes.)
Where is area code 389
The country code and area code of Kicevo, Macedonia is 389, (0)45.
The country code and area code of Gevgelija, Macedonia is 389, (0)34.
The country code and area code of Tetovo, Macedonia is 389, (0)44.
The country code and area code of Utena, Lithuania is 370, (0)389.
The country code and area code of Bitola, Macedonia is 389, (0)47.
The country code and area code of Gostivar, Macedonia is 389, (0)42.
The country code and area code of Kocani, Macedonia is 389, (0)33.
The country code and area code of Ohrid, Macedonia is 389, (0)46.
The country code and area code of Prilep, Macedonia is 389, (0)48.
The country code and area code of Skopje, Macedonia is 389, (0)2.
The country code and area code of Stip, Macedonia is 389, (0)32.
The country code and area code of Veles, Macedonia is 389, (0)43.