Country code +20 is Egypt, but there are no valid numbers beginning with +20 7.
Telephone numbers in parts of London, UK, are often written incorrectly with the domestic dialing prefix 0207. However, the correct prefix is just 020; the 7 is the first digit of the eight-digit local number in London, not part of the area code. In international format, 020 becomes +44 20.
(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 +213, dialed as 00 213 from many places, is Algeria.
Country code +1, dialed as 002 1 from many places, is North America (USA, Canada, etc.). You need the three-digit area code (i.e., two more digits) to narrow down the location.
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., +213 or +1), 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.)
Country code +57 is Colombia.
Not a valid code. Telephone country codes never begin with zero, and 0000 is not a valid international access prefix anywhere in the world.
Country code +225 (dialed as 00225 from many places) is Cote d'Ivoire (Ivory Coast), but there are no numbers beginning with +225 00, although there are some numbers that begin with +225 0.
California is not a country.The telephone country code for the United States (plus Canada and several nearby islands, mostly in the Caribbean) is +1.The Internet country code for the United States is .us, and the .ca.us subdomain is specifically for California, but most websites in the U.S. use generic global domains like .com and .net.
Telephone country codes never begin with zero.Country code +55, dialed as 00 55 from many places, is Brazil.Country code +54, dialed as 005 54 from many places, is Argentina.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., +54 or +55), 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.)
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.