Oh, dude, country code 00791 doesn't exist. It's like trying to find a unicorn in your backyard - just not gonna happen. Maybe it's in the secret spy handbook, who knows? But seriously, stick to the regular country codes if you want to make a call without ending up in a mysterious phone conversation with James Bond.
Leichtenstein is telephone country code +423.
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.
Niue is country code +683.
Togo is country code +228.