00 is a commonly used international access prefix, not part of the country code or area code.
Country code +43 is Austria, but there are no area codes beginning with 8. Certain premium numbers begin with +43 82, but they may or may not be accessible from outside Austria.
(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.)
'00' is not part of the country code, it is a commonly used international access prefix. Country code +43 is Austria, but +43 820 is a premium number that may not be reachable from outside Austria
What country is area code 004382
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 Arganil, Portugal is 351, 235.
The country code and area code of Badajoz, Spain is 34, 824.
The country code and area code of Alava, Spain is 34, 845.
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 Gerona, Spain is 34, 872.
The country code and area code of Ane, Netherlands is 31, (0)524.
The country code and area code of Castelo Branco, Portugal is 351, 272.
The country code and area code of Alexandria, Egypt is 20, (0)3.