User-tagging of cellular telephone locations

A user-controlled cellular telephone positioning feature allows a cellular telephone user to correlate a user-specified location name with a cellular telephone location among one or more cells of a cellular telephone network. In one implementation, a cellular telephone location tagging application is stored and operated on a cellular telephone. The application obtains a cell identification string corresponding to a cell of a cellular telephone system with which cell the cellular telephone is in communication and allows the user to associate a location name and the cell identification string as location information for a selected location. Location data are maintained on a user's cellular telephone, and the user can selectively make the location information available others.