The country dialling code for Belgium is +32or 0032 (they're both identical).
If you want to make a call to Belgium from abroad, you have to dial the following country code +32 (or 0032) followed by the national telephone number.
National telephone number: 0901 23 456 (for local calls)
International telephone number: +32 901 23 456 (for calling from abroad to Belgium)
Capital : Brussels
Population : 11 248 330 Inhabitants
Time : 2019-06-25 13:55
Time zone : Europe/Brussels