Belgium is country code +32.
(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.)
Belgium uses telephone country code +32. Mobile numbers in Belgium generally begin with +32 4. You must drop the trunk prefix 0 from the Belgian domestic number when dialing in international format.
(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.)
+324 is not a postal ZIP Code, it is an incorrectly formatted telephone country code. Telephone country code +32 is Belgium.
Country codes never begin with zero, but country code +32 is Belgium.
The country using the dialing code +324 is Belgium. Dialing code +324 is the international telephone code for Belgium, which is located in Western Europe. This code is used when making international calls to Belgium from other countries.
0032 is the international code for Belgium. There doesn't appear to be a town or city starting with 33.
The country code and area code of Charleroi, Belgium is 32, (0)71.
The country code and area code of Ninove, Belgium is 32, (0)54.
The country code and area code of Ieper, Belgium is 32, (0)57.
The country code and area code of Aalst, Belgium is 32, (0)53.
The country code and area code of Aarlen, Belgium is 32, (0)63.
The country code and area code of Aat, Belgium is 32, (0)68.
The country code and area code of Antwerpen, Belgium is 32, (0)3.
The country code and area code of Baudour, Belgium is 32, (0)65.