00 is the most common international access prefix, which would leave country code +1, North America (USA, Canada, etc.), but there are no valid numbers beginning with +1 0.
Using 001 as the access prefix would leave country code +08, but country codes never begin with zero.
The country code and area code of Changhua, Taiwan is 886, 47.
The country code and area code of ChillÌÁn, Chile is 56, 42.
The country code and area code of Asturias, Spain is 34, 884.
The country code and area code of Gelephu, Bhutan is 975, 6.
The country code and area code of Baghdad, Iraq is 964, 1.
The country code and area code of Arganil, Portugal is 351, 235.
The country code and area code of Alava, Spain is 34, 845.
The country code and area code of Gerona, Spain is 34, 872.
The country code and area code of Castelo Branco, Portugal is 351, 272.
The country code and area code of Ane, Netherlands is 31, (0)524.
The country code and area code of Alexandria, Egypt is 20, (0)3.
The country code and area code of Abottabad, Pakistan is 92, (0)992.