Telephone country code +31 is the Netherlands, and area code +31 577 (or 0577 in domestic format) is Uddel and surrounding areas.
(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 and area code of Uddel, Netherlands is 31, (0)577.
The telephone country code for Zimbabwe is +263. The area code for Beitbridge is 0286, or +263 286 in international format.
It's impossible to say without knowing what country you're asking about. For example, the Netherlands uses telephone country code +31, and a number beginning with +31 6 is a mobile phone.
The country code and area code of Ane, Netherlands is 31, (0)524.
The country code and area code of Barneveld, Netherlands is 31, (0)342.
The country code and area code of Doetinchem, Netherlands is 31, (0)314.
The country code and area code of Delft, Netherlands is 31, (0)15.
The country code and area code of Harderwijk, Netherlands is 31, (0)341.
Country code +31 is the Netherlands.
Country code +31 is the Netherlands.
Country code +31 is the Netherlands.
Telephone country codes never begin with zero.Country code +831, dialed as 00 831 from many places, is an unused country code. There are no valid telephone numbers beginning with +83.Country code +31, dialed as 008 31 from many places, is the Netherlands.To avoid confusion, it is best to write an international telephone number in correct international format, beginning with the plus symbol and the correct telephone country code (e.g., +852 or +31), 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.)