Ransart is now part of the city of Charleroi, so they both share area code +32 71.
(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 Charleroi, Belgium is 32, (0)71.
The airport code for Brussels South Charleroi Airport is CRL.
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.
The country code and area code of Borgworm, Belgium is 32, (0)19.
The country code and area code of Brugge, Belgium is 32, (0)50.
The country code and area code of Chimay, Belgium is 32, (0)60.