There is no telephone country code +162. Country code +1 is North America, including the USA, Canada, and various Caribbean and nearby islands; 62 is the first two digits of a three-digit area code. You need the next digit to narrow down the location.
(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.)
There is no area code 162 in North America (USA, Canada, etc.); area codes never begin with 1.
Country code +1, area code 62X could be a valid North American number, but you need one more digit.
The UK has area codes like 0162X, which is +44 162X in international format, but again you need one more digit.
Other countries may have area codes like 162.
(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.)
Telephone country code +1 (dialed as 00 1 from many places) is North America, including the USA and Canada.
Area code +1 620 is for the southern half of the U.S. state of Kansas, excluding the Wichita metropolitan area. Cities in the 620 area code include Dodge City, Emporia, and Hutchinson.
(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.)
Which country code is +1620
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.
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.
Mozambique is country code +258.