Methods and systems for managing telephone calls are provides. Aspects include setting one or more telephone numbers of one or more contacts of an owner of a telephone as child telephone numbers of a master telephone number of the telephone according to a correlation of the contacts to the owner based on user information thereof. Aspects also include assigning one of a plurality of call preferences to each child telephone number according to expenses information of telephone calls from the child telephone number to the master telephone number and from the master telephone number to the child telephone number and managing each telephone call received by the master telephone number from each child telephone number according to the corresponding call preference.