Country code +598 (dialed as 00 598 from many places) is Uruguay.
(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.)
Country code +598 is Uruguay, South America.
The country code and area code of Hoogezand, Netherlands is 31, (0)598.
The country code and area code of Aigui, Uruguay is 598, (0)446.
The country code and area code of Araminda, Uruguay is 598, (0)37.
The country code and area code of Artigas, Uruguay is 598, (0)772.
The country code and area code of Caballada, Uruguay is 598, (0)52.
The country code and area code of Capurro, Uruguay is 598, (0)338.
The country code and area code of Cardal, Uruguay is 598, (0)339.
The country code and area code of Cardona, Uruguay is 598, (0)536.
The country code and area code of Carmelo, Uruguay is 598, (0)542.
The country code and area code of Carmen, Uruguay is 598, (0)365.
The country code and area code of Castillos, Uruguay is 598, (0)475.