The country dialling code for Argentina is +54or 0054 (they're both identical).
If you want to make a call to Argentina from abroad, you have to dial the following country code +54 (or 0054) followed by the national telephone number.
National telephone number: 011 2345-6789 (for local calls)
International telephone number: +54 11 2345-6789 (for calling from abroad to Argentina)
Capital : Buenos Aires
Population : 43 131 966 Inhabitants
Time : 2018-12-13 17:07
Time zone : America/Cordoba