Wake Island does not have a telephone country code, because there are no direct-dialable telephones there. All telephone access to Wake Island is handled by the US Air Force through a special operator in Hawaii.
(see related question)
French Polynesia (including the island of Tahiti) is country code +689.
Midway Island does not have a telephone country code, because it does not have any permanent inhabitants. Telephone service to Midway is provided by the US military through a special operator in Hawaii. It is not possible to direct-dial a call to Midway.
The telephone country code for France is +33. The area code for the southeastern quadrant of the country, including the island of Corsica, is 04, or +33 4 in international format.
For the Internet, .nz For telephone, +64
Telephone country code +1 includes the United States, Canada, and several island countries/territories in or near the Caribbean.
Telephone country code +674 is the tiny Pacific island nation of Nauru. If that's not the 6745 you're looking for, please clarify the context for your question.
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.