i) a telephone receiver;

ii) a database containing information correlating said telephone number identification information with a corresponding geographic location, said database includes:

a) a locally assembled address book, and

b) telephone directory information;

iii) navigation software operative to provide a map or navigation directions between said geographic location associated with the telephone number identification information and the location of the computer system;

iv) an output device; and

v) a computer program operative to:

a) control said computer system to detect and interpret incoming or outgoing telephone number identification information associated with a telephone call;

b) control said computer system to first search said locally assembled address book in said database using the telephone number identification information to obtain information representative of a geographic location associated with the telephone number identification information, and

subsequently search said telephone directory information to obtain information representative of a geographic location associated with the telephone number identification information whenever said information in not found in said locally assembled address book;

c) control said computer system to employ said navigation software to automatically provide said map or navigation directions between said point of origin and the geographic location associated with the telephone number identification information; and

d) control the computer system to selectively provide said map or navigation directions to said output device in a desired media.