Country code +501 (dialed as 00 501 from many places) is Belize, in Central America.
(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.).
Telephone country codes never begin with zero.
Country code +55, dialed as 00 55 from many places, is Brazil, and telephone area code +55 11 is greater Sao Paulo.
Country code +51, dialed as 005 51 from many places, is Peru, and area code +51 1 is Lima.
To avoid confusion, it is best to write an international telephone number in correct international format, beginning with the plus symbol and the correct telephone country code (e.g., +55 for Brazil or +51 for Peru), omitting any dialing prefix.
(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.)
There is no country with a code of +511. Code +51 is for Peru and 1 is for Lima.
Leichtenstein is telephone country code +423.
The country code and area code of Mariestad, Sweden is 46, (0)501.
where is telephone country code 1816
That is not a country code.
011 is not part of the area code or country code, it is the access prefix for outbound international calls from North America (USA, Canada, etc.).Telephone country code +501 is the Central American nation of Belize.(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.)
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.