American Samoa is part of the North American Numbering Plan, telephone country code +1, along with the USA, Canada, and various other islands. American Samoa uses area code +1 684.
Calls from the US to American Samoa are dialed "one plus," and are considered domestic long-distance calls, but they may or may not be included in "nationwide" calling plans.
(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 Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The independent nation of Samoa, formerly known as Western Samoa, uses country code +685.
Country code +685 is the Independent State of Samoa, including the islands of Upolu and Savai'i and the city of Apia.Not to be confused with the nearby US territory of American Samoa, which uses country code +1, area code 684. American Samoa includes the island of Tutuila and the Manu'a islands, and the cities of Pago Pago and Fagatogo.Although Samoa and American Samoa are located right next to one another, they are on opposite sides of the International Date Line. Also, Samoa drives on the left side of the road, while American Samoa drives on the right.
Leichtenstein is telephone country code +423.
where is telephone country code 1816
That is not a country code.
The zip code is 96799.
1684
There is no telephone country code +684 or 00 684 or 011 684.Country code +684 was formerly used for the territory of American Samoa. However, American Samoa is now in the North American Numbering Plan, country code +1, area code +1 684. From North America (USA, Canada, etc.), you now dial American Samoa as 1-684 instead of 011-684. From other countries, just insert country code +1.Note that this change does not affect the Independent State of Samoa, formerly known as Western Samoa, which remains in country code +685.(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.)
Fiji has telephone country code +679.
Country code +57 is Colombia.
Gibraltar is country code +350.
Moldova is country code +373.
Slovenia is country code +386.