Telephone country codes never begin with zero.
Telephone country code +1, dialed as 00 1 from many places, is North America (USA, Canada, etc.); you need the next three digits to narrow down the location any farther.
Telephone country code +8, dialed as 001 8 from many places, is an incomplete code in eastern Asia, or possibly an international telephone service. You need one or two additional digits to begin narrowing down the location or service.
To reduce the possibility of confusion with international telephone numbers, it is best to quote the number beginning with the single plus symbol and the correct telephone country code, 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.)
The country code for the UK is +44.From Ireland, dial 0044 then the full UK telephone number minus any leading zero. For example, you would dial the UK number 0114 496 0018 as 00 44 114 496 0018.If you are ringing a landline telephone in Sheffield but only have the seven-digit local number, you will need to add on Sheffield's area code, which is 0114. So, to dial Sheffield 496 0018, you would dial 00 44 114 496 0018
Leichtenstein is telephone country code +423.
Use the country code for the United Kingdom, which is 44From Los Angeles, this means dialling:011 - to make an outbound international call from the USA44 - the country code for the UKThe full UK phone number, minus any leading zeroFor example, the London number (020) 7946 0018 would be dialled from the USA as: 011 44 20 7946 0018.Where only the eight-digit local London number is known, this should be prefixed with the London area code, [0]20. The number London 79460018 would become: 011 44 20 7946 0018.
where is telephone country code 1816
That is not a country code.
Country code +57 is Colombia.
Country code 52 is Mexico.
Fiji has telephone country code +679.
Gibraltar is country code +350.
Moldova is country code +373.
Slovenia is country code +386.
Vanuatu is country code +678.