The country code +21 is not assigned to a specific country, as it is not a valid international dialing code. However, the code +21 is often associated with the regional area codes for various countries in the Middle East and North Africa. If you meant a specific country code, please clarify, and I can provide more accurate information.
The country code and area code of Tkrit, Iraq is 964, 21.
The country code and area code of Parwan, Afghanistan is 93, (0)21.
The country code and area code of GuantÌÁnamo, Cuba is 53, (0)21.
The country code and area code of Vientiane, Laos is 856, (0)21.
The country code and area code of Morang, Nepal is 977, (0)21.
The country code and area code of Asuncion, Paraguay is 595, (0)21.
The country code and area code of Lausanne, Switzerland is 41, (0)21.
The country code and area code of Same, Timor-Leste is 670, 21.
The country code and area code of Lisboa, Portugal is 351, 21.
The country code and area code of Shanghai- SH, China is 86, (0)21.
The country code and area code of Novi Sad, Serbia is 381, (0)21.
The country code and area code of Kaalifa, Libya is 218, (0)626.