Country code +1 is North America, including the US and US territories, Canada, and about 17 Caribbean-ish islands. The next three digits are the area code, so you need one more digit to determine where your +1 75X number is located.
Country code +1 is North America (USA, Canada, etc.), and area code +1 757 is southeastern Virginia, including Norfolk and Virginia Beach.
(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 many countries use different prefixes.)
Telephone country code +1 is North America (USA, Canada, etc.); area code +1 715 is for north central and northwestern Wisconsin, USA, including Eau Claire.
(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.)
1715
Leichtenstein is telephone country code +423.
The country code and area code of Selby, United Kingdom is 44, (0)1757.
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.
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.
Angola is country code +244.