Buenos Aires city and suburbs

11 + 4 or 5 + Local Number

Calling Overseas (mobile phones)

9 + City Code

Buenos Aires city and suburbs (mobile phones)

11 + 15 + 4 + Local Number

Southern Argentina: Provinces including and south of San Juan, San Luis, 
La Pampa and Buenos Aires

2 + Area Code + 4 or 5 + Local Number

Northern Argentina: Provinces including and north of La Rioja, Cordoba,
Santa Fe and Entre Ríos

3 + Area Code + 4 or 5 + Local Number