The shortest telephone conversations on mobile phones are the ones made by Newyorkers: 3,7 minutes per call. This is the result of an analysis of one-year telephone conversations. In one month, in Georgia 800 minutes are spent on mobile phone conversations (top of the list) against 713 minutes in the Big Apple. Afroamericans talk twice as much as the white population (1300 minutes). Women talk 22% more than men. .